Home / 19,023,201.79-28,539,951.02-13,565,192.01

Finding the Fourth Proportional to 19,023,201.79, 28,539,951.02 and 13,565,192.01

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Solution

The fourth proportional to 19,023,201.79, 28,539,951.02 and 13,565,192.01 is: 20,351,459.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,023,201.79 : 28,539,951.02 = 13,565,192.01 : x
  2. Step 2: Convert to fraction form
    19,023,201.79/28,539,951.02 = 13,565,192.01/x
  3. Step 3: Cross multiply
    19,023,201.79x = 28,539,951.02 × 13,565,192.01
  4. Step 4: Simplify right side
    19,023,201.79x = 387,149,915,331,769.69
  5. Step 5: Solve for x
    x = 387,149,915,331,769.69/19,023,201.79
  6. Step 6: Final answer
    x = 20,351,459.22

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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.