Home / 17,487,030.30-26,230,545.45-12,728,118.30

Finding the Fourth Proportional to 17,487,030.30, 26,230,545.45 and 12,728,118.30

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Solution

The fourth proportional to 17,487,030.30, 26,230,545.45 and 12,728,118.30 is: 19,092,177.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,487,030.30 : 26,230,545.45 = 12,728,118.30 : x
  2. Step 2: Convert to fraction form
    17,487,030.30/26,230,545.45 = 12,728,118.30/x
  3. Step 3: Cross multiply
    17,487,030.30x = 26,230,545.45 × 12,728,118.30
  4. Step 4: Simplify right side
    17,487,030.30x = 333,865,485,561,126.75
  5. Step 5: Solve for x
    x = 333,865,485,561,126.75/17,487,030.30
  6. Step 6: Final answer
    x = 19,092,177.45

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1.5x scale

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.