Home / 14,178,839.40-21,268,259.10-6,993,815.40

Finding the Fourth Proportional to 14,178,839.40, 21,268,259.10 and 6,993,815.40

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Solution

The fourth proportional to 14,178,839.40, 21,268,259.10 and 6,993,815.40 is: 10,490,723.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,178,839.40 : 21,268,259.10 = 6,993,815.40 : x
  2. Step 2: Convert to fraction form
    14,178,839.40/21,268,259.10 = 6,993,815.40/x
  3. Step 3: Cross multiply
    14,178,839.40x = 21,268,259.10 × 6,993,815.40
  4. Step 4: Simplify right side
    14,178,839.40x = 148,746,278,024,770.16
  5. Step 5: Solve for x
    x = 148,746,278,024,770.16/14,178,839.40
  6. Step 6: Final answer
    x = 10,490,723.10

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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.