Home / 8,827,761.18-12,181,921.65-5,157,017.76

Finding the Fourth Proportional to 8,827,761.18, 12,181,921.65 and 5,157,017.76

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Solution

The fourth proportional to 8,827,761.18, 12,181,921.65 and 5,157,017.76 is: 7,116,457.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,827,761.18 : 12,181,921.65 = 5,157,017.76 : x
  2. Step 2: Convert to fraction form
    8,827,761.18/12,181,921.65 = 5,157,017.76/x
  3. Step 3: Cross multiply
    8,827,761.18x = 12,181,921.65 × 5,157,017.76
  4. Step 4: Simplify right side
    8,827,761.18x = 62,822,386,299,978.50
  5. Step 5: Solve for x
    x = 62,822,386,299,978.50/8,827,761.18
  6. Step 6: Final answer
    x = 7,116,457.39

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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.