Home / 14,036,911.20-21,055,366.80-12,123,723.60

Finding the Fourth Proportional to 14,036,911.20, 21,055,366.80 and 12,123,723.60

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Solution

The fourth proportional to 14,036,911.20, 21,055,366.80 and 12,123,723.60 is: 18,185,585.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,036,911.20 : 21,055,366.80 = 12,123,723.60 : x
  2. Step 2: Convert to fraction form
    14,036,911.20/21,055,366.80 = 12,123,723.60/x
  3. Step 3: Cross multiply
    14,036,911.20x = 21,055,366.80 × 12,123,723.60
  4. Step 4: Simplify right side
    14,036,911.20x = 255,269,447,379,816.47
  5. Step 5: Solve for x
    x = 255,269,447,379,816.47/14,036,911.20
  6. Step 6: Final answer
    x = 18,185,585.40

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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.