Home / 7,920,212.72-11,885,316.92-3,371,254.16

Finding the Fourth Proportional to 7,920,212.72, 11,885,316.92 and 3,371,254.16

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Solution

The fourth proportional to 7,920,212.72, 11,885,316.92 and 3,371,254.16 is: 5,059,008.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,920,212.72 : 11,885,316.92 = 3,371,254.16 : x
  2. Step 2: Convert to fraction form
    7,920,212.72/11,885,316.92 = 3,371,254.16/x
  3. Step 3: Cross multiply
    7,920,212.72x = 11,885,316.92 × 3,371,254.16
  4. Step 4: Simplify right side
    7,920,212.72x = 40,068,424,109,468.39
  5. Step 5: Solve for x
    x = 40,068,424,109,468.39/7,920,212.72
  6. Step 6: Final answer
    x = 5,059,008.58

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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.