Home / 12,864,070.31-19,292,008.46-4,226,165.72

Finding the Fourth Proportional to 12,864,070.31, 19,292,008.46 and 4,226,165.72

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Solution

The fourth proportional to 12,864,070.31, 19,292,008.46 and 4,226,165.72 is: 6,337,902.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,864,070.31 : 19,292,008.46 = 4,226,165.72 : x
  2. Step 2: Convert to fraction form
    12,864,070.31/19,292,008.46 = 4,226,165.72/x
  3. Step 3: Cross multiply
    12,864,070.31x = 19,292,008.46 × 4,226,165.72
  4. Step 4: Simplify right side
    12,864,070.31x = 81,531,224,802,471.16
  5. Step 5: Solve for x
    x = 81,531,224,802,471.16/12,864,070.31
  6. Step 6: Final answer
    x = 6,337,902.61

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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.