Home / 18,792,001.40-28,188,002.10-13,123,297.40

Finding the Fourth Proportional to 18,792,001.40, 28,188,002.10 and 13,123,297.40

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Solution

The fourth proportional to 18,792,001.40, 28,188,002.10 and 13,123,297.40 is: 19,684,946.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,792,001.40 : 28,188,002.10 = 13,123,297.40 : x
  2. Step 2: Convert to fraction form
    18,792,001.40/28,188,002.10 = 13,123,297.40/x
  3. Step 3: Cross multiply
    18,792,001.40x = 28,188,002.10 × 13,123,297.40
  4. Step 4: Simplify right side
    18,792,001.40x = 369,919,534,670,124.56
  5. Step 5: Solve for x
    x = 369,919,534,670,124.56/18,792,001.40
  6. Step 6: Final answer
    x = 19,684,946.10

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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.