Home / 13,299,089.59-19,919,765.98-8,165,938.15

Finding the Fourth Proportional to 13,299,089.59, 19,919,765.98 and 8,165,938.15

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Solution

The fourth proportional to 13,299,089.59, 19,919,765.98 and 8,165,938.15 is: 12,231,181.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,299,089.59 : 19,919,765.98 = 8,165,938.15 : x
  2. Step 2: Convert to fraction form
    13,299,089.59/19,919,765.98 = 8,165,938.15/x
  3. Step 3: Cross multiply
    13,299,089.59x = 19,919,765.98 × 8,165,938.15
  4. Step 4: Simplify right side
    13,299,089.59x = 162,663,576,955,154.16
  5. Step 5: Solve for x
    x = 162,663,576,955,154.16/13,299,089.59
  6. Step 6: Final answer
    x = 12,231,181.38

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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.