Home / 40,665,305.40-60,997,569.30-9,960,019.80

Finding the Fourth Proportional to 40,665,305.40, 60,997,569.30 and 9,960,019.80

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Solution

The fourth proportional to 40,665,305.40, 60,997,569.30 and 9,960,019.80 is: 14,939,934.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,665,305.40 : 60,997,569.30 = 9,960,019.80 : x
  2. Step 2: Convert to fraction form
    40,665,305.40/60,997,569.30 = 9,960,019.80/x
  3. Step 3: Cross multiply
    40,665,305.40x = 60,997,569.30 × 9,960,019.80
  4. Step 4: Simplify right side
    40,665,305.40x = 607,536,997,979,872.12
  5. Step 5: Solve for x
    x = 607,536,997,979,872.12/40,665,305.40
  6. Step 6: Final answer
    x = 14,939,934.47

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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.