Home / 19,129,217.60-28,693,826.40-18,385,200.20

Finding the Fourth Proportional to 19,129,217.60, 28,693,826.40 and 18,385,200.20

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Solution

The fourth proportional to 19,129,217.60, 28,693,826.40 and 18,385,200.20 is: 27,577,800.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,129,217.60 : 28,693,826.40 = 18,385,200.20 : x
  2. Step 2: Convert to fraction form
    19,129,217.60/28,693,826.40 = 18,385,200.20/x
  3. Step 3: Cross multiply
    19,129,217.60x = 28,693,826.40 × 18,385,200.20
  4. Step 4: Simplify right side
    19,129,217.60x = 527,541,742,868,045.25
  5. Step 5: Solve for x
    x = 527,541,742,868,045.25/19,129,217.60
  6. Step 6: Final answer
    x = 27,577,800.30

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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.