Home / 21,254,375.97-31,881,651.44-5,902,875.27

Finding the Fourth Proportional to 21,254,375.97, 31,881,651.44 and 5,902,875.27

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Solution

The fourth proportional to 21,254,375.97, 31,881,651.44 and 5,902,875.27 is: 8,854,337.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,254,375.97 : 31,881,651.44 = 5,902,875.27 : x
  2. Step 2: Convert to fraction form
    21,254,375.97/31,881,651.44 = 5,902,875.27/x
  3. Step 3: Cross multiply
    21,254,375.97x = 31,881,651.44 × 5,902,875.27
  4. Step 4: Simplify right side
    21,254,375.97x = 188,193,411,822,421.50
  5. Step 5: Solve for x
    x = 188,193,411,822,421.50/21,254,375.97
  6. Step 6: Final answer
    x = 8,854,337.20

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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.