Home / 19,251,012.60-28,876,518.90-15,471,876.60

Finding the Fourth Proportional to 19,251,012.60, 28,876,518.90 and 15,471,876.60

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Solution

The fourth proportional to 19,251,012.60, 28,876,518.90 and 15,471,876.60 is: 23,207,814.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,251,012.60 : 28,876,518.90 = 15,471,876.60 : x
  2. Step 2: Convert to fraction form
    19,251,012.60/28,876,518.90 = 15,471,876.60/x
  3. Step 3: Cross multiply
    19,251,012.60x = 28,876,518.90 × 15,471,876.60
  4. Step 4: Simplify right side
    19,251,012.60x = 446,773,937,058,367.69
  5. Step 5: Solve for x
    x = 446,773,937,058,367.69/19,251,012.60
  6. Step 6: Final answer
    x = 23,207,814.90

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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.