Home / 19,872,600.60-29,778,480.92-13,371,599.72

Finding the Fourth Proportional to 19,872,600.60, 29,778,480.92 and 13,371,599.72

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Solution

The fourth proportional to 19,872,600.60, 29,778,480.92 and 13,371,599.72 is: 20,036,931.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,872,600.60 : 29,778,480.92 = 13,371,599.72 : x
  2. Step 2: Convert to fraction form
    19,872,600.60/29,778,480.92 = 13,371,599.72/x
  3. Step 3: Cross multiply
    19,872,600.60x = 29,778,480.92 × 13,371,599.72
  4. Step 4: Simplify right side
    19,872,600.60x = 398,185,927,131,897.38
  5. Step 5: Solve for x
    x = 398,185,927,131,897.38/19,872,600.60
  6. Step 6: Final answer
    x = 20,036,931.01

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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.