Home / 19,815,641.20-29,695,468.20-14,657,820.40

Finding the Fourth Proportional to 19,815,641.20, 29,695,468.20 and 14,657,820.40

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Solution

The fourth proportional to 19,815,641.20, 29,695,468.20 and 14,657,820.40 is: 21,966,023.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,815,641.20 : 29,695,468.20 = 14,657,820.40 : x
  2. Step 2: Convert to fraction form
    19,815,641.20/29,695,468.20 = 14,657,820.40/x
  3. Step 3: Cross multiply
    19,815,641.20x = 29,695,468.20 × 14,657,820.40
  4. Step 4: Simplify right side
    19,815,641.20x = 435,270,839,569,511.25
  5. Step 5: Solve for x
    x = 435,270,839,569,511.25/19,815,641.20
  6. Step 6: Final answer
    x = 21,966,023.46

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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.