Home / 12,799,371.98-17,663,134.83-6,998,157.65

Finding the Fourth Proportional to 12,799,371.98, 17,663,134.83 and 6,998,157.65

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Solution

The fourth proportional to 12,799,371.98, 17,663,134.83 and 6,998,157.65 is: 9,657,458.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,799,371.98 : 17,663,134.83 = 6,998,157.65 : x
  2. Step 2: Convert to fraction form
    12,799,371.98/17,663,134.83 = 6,998,157.65/x
  3. Step 3: Cross multiply
    12,799,371.98x = 17,663,134.83 × 6,998,157.65
  4. Step 4: Simplify right side
    12,799,371.98x = 123,609,402,133,545.94
  5. Step 5: Solve for x
    x = 123,609,402,133,545.94/12,799,371.98
  6. Step 6: Final answer
    x = 9,657,458.38

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.