Home / 13,156,001.60-19,725,021.90-7,008,902.36

Finding the Fourth Proportional to 13,156,001.60, 19,725,021.90 and 7,008,902.36

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Solution

The fourth proportional to 13,156,001.60, 19,725,021.90 and 7,008,902.36 is: 10,508,569.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,156,001.60 : 19,725,021.90 = 7,008,902.36 : x
  2. Step 2: Convert to fraction form
    13,156,001.60/19,725,021.90 = 7,008,902.36/x
  3. Step 3: Cross multiply
    13,156,001.60x = 19,725,021.90 × 7,008,902.36
  4. Step 4: Simplify right side
    13,156,001.60x = 138,250,752,545,961.69
  5. Step 5: Solve for x
    x = 138,250,752,545,961.69/13,156,001.60
  6. Step 6: Final answer
    x = 10,508,569.15

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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.