Home / 15,814,057.20-23,721,085.80-13,428,477.60

Finding the Fourth Proportional to 15,814,057.20, 23,721,085.80 and 13,428,477.60

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Solution

The fourth proportional to 15,814,057.20, 23,721,085.80 and 13,428,477.60 is: 20,142,716.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,814,057.20 : 23,721,085.80 = 13,428,477.60 : x
  2. Step 2: Convert to fraction form
    15,814,057.20/23,721,085.80 = 13,428,477.60/x
  3. Step 3: Cross multiply
    15,814,057.20x = 23,721,085.80 × 13,428,477.60
  4. Step 4: Simplify right side
    15,814,057.20x = 318,538,069,312,978.06
  5. Step 5: Solve for x
    x = 318,538,069,312,978.06/15,814,057.20
  6. Step 6: Final answer
    x = 20,142,716.40

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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.