Home / 12,432,081.83-18,650,654.19-5,243,642.46

Finding the Fourth Proportional to 12,432,081.83, 18,650,654.19 and 5,243,642.46

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Solution

The fourth proportional to 12,432,081.83, 18,650,654.19 and 5,243,642.46 is: 7,866,531.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,432,081.83 : 18,650,654.19 = 5,243,642.46 : x
  2. Step 2: Convert to fraction form
    12,432,081.83/18,650,654.19 = 5,243,642.46/x
  3. Step 3: Cross multiply
    12,432,081.83x = 18,650,654.19 × 5,243,642.46
  4. Step 4: Simplify right side
    12,432,081.83x = 97,797,362,217,460.91
  5. Step 5: Solve for x
    x = 97,797,362,217,460.91/12,432,081.83
  6. Step 6: Final answer
    x = 7,866,531.41

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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.