Home / 15,905,143.80-23,864,714.10-7,381,092.60

Finding the Fourth Proportional to 15,905,143.80, 23,864,714.10 and 7,381,092.60

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Solution

The fourth proportional to 15,905,143.80, 23,864,714.10 and 7,381,092.60 is: 11,074,886.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,905,143.80 : 23,864,714.10 = 7,381,092.60 : x
  2. Step 2: Convert to fraction form
    15,905,143.80/23,864,714.10 = 7,381,092.60/x
  3. Step 3: Cross multiply
    15,905,143.80x = 23,864,714.10 × 7,381,092.60
  4. Step 4: Simplify right side
    15,905,143.80x = 176,147,664,644,625.66
  5. Step 5: Solve for x
    x = 176,147,664,644,625.66/15,905,143.80
  6. Step 6: Final answer
    x = 11,074,886.64

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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.