Home / 38,010,802.20-57,016,203.30-12,452,645.40

Finding the Fourth Proportional to 38,010,802.20, 57,016,203.30 and 12,452,645.40

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Solution

The fourth proportional to 38,010,802.20, 57,016,203.30 and 12,452,645.40 is: 18,678,968.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,010,802.20 : 57,016,203.30 = 12,452,645.40 : x
  2. Step 2: Convert to fraction form
    38,010,802.20/57,016,203.30 = 12,452,645.40/x
  3. Step 3: Cross multiply
    38,010,802.20x = 57,016,203.30 × 12,452,645.40
  4. Step 4: Simplify right side
    38,010,802.20x = 710,002,561,749,209.75
  5. Step 5: Solve for x
    x = 710,002,561,749,209.75/38,010,802.20
  6. Step 6: Final answer
    x = 18,678,968.10

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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.