Home / 19,872,145.80-29,808,218.70-17,352,721.80

Finding the Fourth Proportional to 19,872,145.80, 29,808,218.70 and 17,352,721.80

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Solution

The fourth proportional to 19,872,145.80, 29,808,218.70 and 17,352,721.80 is: 26,029,082.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,872,145.80 : 29,808,218.70 = 17,352,721.80 : x
  2. Step 2: Convert to fraction form
    19,872,145.80/29,808,218.70 = 17,352,721.80/x
  3. Step 3: Cross multiply
    19,872,145.80x = 29,808,218.70 × 17,352,721.80
  4. Step 4: Simplify right side
    19,872,145.80x = 517,253,726,454,657.69
  5. Step 5: Solve for x
    x = 517,253,726,454,657.69/19,872,145.80
  6. Step 6: Final answer
    x = 26,029,082.70

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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.