Home / 19,312,872.80-28,969,309.20-17,185,359.20

Finding the Fourth Proportional to 19,312,872.80, 28,969,309.20 and 17,185,359.20

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Solution

The fourth proportional to 19,312,872.80, 28,969,309.20 and 17,185,359.20 is: 25,778,038.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,312,872.80 : 28,969,309.20 = 17,185,359.20 : x
  2. Step 2: Convert to fraction form
    19,312,872.80/28,969,309.20 = 17,185,359.20/x
  3. Step 3: Cross multiply
    19,312,872.80x = 28,969,309.20 × 17,185,359.20
  4. Step 4: Simplify right side
    19,312,872.80x = 497,847,984,377,864.62
  5. Step 5: Solve for x
    x = 497,847,984,377,864.62/19,312,872.80
  6. Step 6: Final answer
    x = 25,778,038.80

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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.