Home / 10,728,065.40-16,092,098.10-6,689,113.80

Finding the Fourth Proportional to 10,728,065.40, 16,092,098.10 and 6,689,113.80

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Solution

The fourth proportional to 10,728,065.40, 16,092,098.10 and 6,689,113.80 is: 10,033,670.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,728,065.40 : 16,092,098.10 = 6,689,113.80 : x
  2. Step 2: Convert to fraction form
    10,728,065.40/16,092,098.10 = 6,689,113.80/x
  3. Step 3: Cross multiply
    10,728,065.40x = 16,092,098.10 × 6,689,113.80
  4. Step 4: Simplify right side
    10,728,065.40x = 107,641,875,471,663.78
  5. Step 5: Solve for x
    x = 107,641,875,471,663.78/10,728,065.40
  6. Step 6: Final answer
    x = 10,033,670.70

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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.