Home / 37,808,145.90-56,712,218.85-18,648,081.90

Finding the Fourth Proportional to 37,808,145.90, 56,712,218.85 and 18,648,081.90

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Solution

The fourth proportional to 37,808,145.90, 56,712,218.85 and 18,648,081.90 is: 27,972,122.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,808,145.90 : 56,712,218.85 = 18,648,081.90 : x
  2. Step 2: Convert to fraction form
    37,808,145.90/56,712,218.85 = 18,648,081.90/x
  3. Step 3: Cross multiply
    37,808,145.90x = 56,712,218.85 × 18,648,081.90
  4. Step 4: Simplify right side
    37,808,145.90x = 1,057,574,101,845,523.75
  5. Step 5: Solve for x
    x = 1,057,574,101,845,523.75/37,808,145.90
  6. Step 6: Final answer
    x = 27,972,122.85

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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.