Home / 30,730,497.04-42,407,998.86-16,979,363.20

Finding the Fourth Proportional to 30,730,497.04, 42,407,998.86 and 16,979,363.20

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Solution

The fourth proportional to 30,730,497.04, 42,407,998.86 and 16,979,363.20 is: 23,431,473.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,730,497.04 : 42,407,998.86 = 16,979,363.20 : x
  2. Step 2: Convert to fraction form
    30,730,497.04/42,407,998.86 = 16,979,363.20/x
  3. Step 3: Cross multiply
    30,730,497.04x = 42,407,998.86 × 16,979,363.20
  4. Step 4: Simplify right side
    30,730,497.04x = 720,060,815,229,125.88
  5. Step 5: Solve for x
    x = 720,060,815,229,125.88/30,730,497.04
  6. Step 6: Final answer
    x = 23,431,473.12

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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.