Home / 19,928,365.70-29,892,548.55-13,125,920.90

Finding the Fourth Proportional to 19,928,365.70, 29,892,548.55 and 13,125,920.90

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Solution

The fourth proportional to 19,928,365.70, 29,892,548.55 and 13,125,920.90 is: 19,688,881.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,928,365.70 : 29,892,548.55 = 13,125,920.90 : x
  2. Step 2: Convert to fraction form
    19,928,365.70/29,892,548.55 = 13,125,920.90/x
  3. Step 3: Cross multiply
    19,928,365.70x = 29,892,548.55 × 13,125,920.90
  4. Step 4: Simplify right side
    19,928,365.70x = 392,367,227,766,709.69
  5. Step 5: Solve for x
    x = 392,367,227,766,709.69/19,928,365.70
  6. Step 6: Final answer
    x = 19,688,881.35

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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.