Home / 28,516,901.80-42,770,103.90-17,714,871.40

Finding the Fourth Proportional to 28,516,901.80, 42,770,103.90 and 17,714,871.40

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Solution

The fourth proportional to 28,516,901.80, 42,770,103.90 and 17,714,871.40 is: 26,569,046.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,516,901.80 : 42,770,103.90 = 17,714,871.40 : x
  2. Step 2: Convert to fraction form
    28,516,901.80/42,770,103.90 = 17,714,871.40/x
  3. Step 3: Cross multiply
    28,516,901.80x = 42,770,103.90 × 17,714,871.40
  4. Step 4: Simplify right side
    28,516,901.80x = 757,666,890,353,138.38
  5. Step 5: Solve for x
    x = 757,666,890,353,138.38/28,516,901.80
  6. Step 6: Final answer
    x = 26,569,046.51

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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.