Home / 21,297,925.60-31,925,115.60-10,498,616.80

Finding the Fourth Proportional to 21,297,925.60, 31,925,115.60 and 10,498,616.80

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Solution

The fourth proportional to 21,297,925.60, 31,925,115.60 and 10,498,616.80 is: 15,737,192.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,297,925.60 : 31,925,115.60 = 10,498,616.80 : x
  2. Step 2: Convert to fraction form
    21,297,925.60/31,925,115.60 = 10,498,616.80/x
  3. Step 3: Cross multiply
    21,297,925.60x = 31,925,115.60 × 10,498,616.80
  4. Step 4: Simplify right side
    21,297,925.60x = 335,169,554,980,102.12
  5. Step 5: Solve for x
    x = 335,169,554,980,102.12/21,297,925.60
  6. Step 6: Final answer
    x = 15,737,192.50

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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.