Home / 19,815,319.20-29,694,985.20-14,657,498.40

Finding the Fourth Proportional to 19,815,319.20, 29,694,985.20 and 14,657,498.40

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Solution

The fourth proportional to 19,815,319.20, 29,694,985.20 and 14,657,498.40 is: 21,965,540.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,815,319.20 : 29,694,985.20 = 14,657,498.40 : x
  2. Step 2: Convert to fraction form
    19,815,319.20/29,694,985.20 = 14,657,498.40/x
  3. Step 3: Cross multiply
    19,815,319.20x = 29,694,985.20 × 14,657,498.40
  4. Step 4: Simplify right side
    19,815,319.20x = 435,254,198,057,023.69
  5. Step 5: Solve for x
    x = 435,254,198,057,023.69/19,815,319.20
  6. Step 6: Final answer
    x = 21,965,540.58

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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.