Home / 14,041,430.10-21,062,145.15-12,447,107.10

Finding the Fourth Proportional to 14,041,430.10, 21,062,145.15 and 12,447,107.10

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Solution

The fourth proportional to 14,041,430.10, 21,062,145.15 and 12,447,107.10 is: 18,670,660.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,041,430.10 : 21,062,145.15 = 12,447,107.10 : x
  2. Step 2: Convert to fraction form
    14,041,430.10/21,062,145.15 = 12,447,107.10/x
  3. Step 3: Cross multiply
    14,041,430.10x = 21,062,145.15 × 12,447,107.10
  4. Step 4: Simplify right side
    14,041,430.10x = 262,162,776,437,795.53
  5. Step 5: Solve for x
    x = 262,162,776,437,795.53/14,041,430.10
  6. Step 6: Final answer
    x = 18,670,660.65

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.