Home / 23,181,342.51-31,988,652.45-12,867,253.68

Finding the Fourth Proportional to 23,181,342.51, 31,988,652.45 and 12,867,253.68

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Solution

The fourth proportional to 23,181,342.51, 31,988,652.45 and 12,867,253.68 is: 17,755,921.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,181,342.51 : 31,988,652.45 = 12,867,253.68 : x
  2. Step 2: Convert to fraction form
    23,181,342.51/31,988,652.45 = 12,867,253.68/x
  3. Step 3: Cross multiply
    23,181,342.51x = 31,988,652.45 × 12,867,253.68
  4. Step 4: Simplify right side
    23,181,342.51x = 411,606,105,955,503.50
  5. Step 5: Solve for x
    x = 411,606,105,955,503.50/23,181,342.51
  6. Step 6: Final answer
    x = 17,755,921.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.