Home / 13,569,645.53-18,725,795.30-7,374,545.21

Finding the Fourth Proportional to 13,569,645.53, 18,725,795.30 and 7,374,545.21

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Solution

The fourth proportional to 13,569,645.53, 18,725,795.30 and 7,374,545.21 is: 10,176,700.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,569,645.53 : 18,725,795.30 = 7,374,545.21 : x
  2. Step 2: Convert to fraction form
    13,569,645.53/18,725,795.30 = 7,374,545.21/x
  3. Step 3: Cross multiply
    13,569,645.53x = 18,725,795.30 × 7,374,545.21
  4. Step 4: Simplify right side
    13,569,645.53x = 138,094,224,098,306.36
  5. Step 5: Solve for x
    x = 138,094,224,098,306.36/13,569,645.53
  6. Step 6: Final answer
    x = 10,176,700.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.