Home / 19,569,759.80-29,344,142.10-8,197,359.80

Finding the Fourth Proportional to 19,569,759.80, 29,344,142.10 and 8,197,359.80

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Solution

The fourth proportional to 19,569,759.80, 29,344,142.10 and 8,197,359.80 is: 12,291,642.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,569,759.80 : 29,344,142.10 = 8,197,359.80 : x
  2. Step 2: Convert to fraction form
    19,569,759.80/29,344,142.10 = 8,197,359.80/x
  3. Step 3: Cross multiply
    19,569,759.80x = 29,344,142.10 × 8,197,359.80
  4. Step 4: Simplify right side
    19,569,759.80x = 240,544,490,816,027.59
  5. Step 5: Solve for x
    x = 240,544,490,816,027.59/19,569,759.80
  6. Step 6: Final answer
    x = 12,291,642.48

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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.