Home / 30,029,115.48-44,970,933.84-20,781,174.16

Finding the Fourth Proportional to 30,029,115.48, 44,970,933.84 and 20,781,174.16

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Solution

The fourth proportional to 30,029,115.48, 44,970,933.84 and 20,781,174.16 is: 31,121,423.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,029,115.48 : 44,970,933.84 = 20,781,174.16 : x
  2. Step 2: Convert to fraction form
    30,029,115.48/44,970,933.84 = 20,781,174.16/x
  3. Step 3: Cross multiply
    30,029,115.48x = 44,970,933.84 × 20,781,174.16
  4. Step 4: Simplify right side
    30,029,115.48x = 934,548,808,266,877.62
  5. Step 5: Solve for x
    x = 934,548,808,266,877.62/30,029,115.48
  6. Step 6: Final answer
    x = 31,121,423.10

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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.