Home / 15,111,089.10-22,664,419.31-7,432,672.89

Finding the Fourth Proportional to 15,111,089.10, 22,664,419.31 and 7,432,672.89

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Solution

The fourth proportional to 15,111,089.10, 22,664,419.31 and 7,432,672.89 is: 11,147,920.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,111,089.10 : 22,664,419.31 = 7,432,672.89 : x
  2. Step 2: Convert to fraction form
    15,111,089.10/22,664,419.31 = 7,432,672.89/x
  3. Step 3: Cross multiply
    15,111,089.10x = 22,664,419.31 × 7,432,672.89
  4. Step 4: Simplify right side
    15,111,089.10x = 168,457,214,973,029.50
  5. Step 5: Solve for x
    x = 168,457,214,973,029.50/15,111,089.10
  6. Step 6: Final answer
    x = 11,147,920.17

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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.