Home / 8,748,061.70-13,122,092.55-6,921,479.30

Finding the Fourth Proportional to 8,748,061.70, 13,122,092.55 and 6,921,479.30

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Solution

The fourth proportional to 8,748,061.70, 13,122,092.55 and 6,921,479.30 is: 10,382,218.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,748,061.70 : 13,122,092.55 = 6,921,479.30 : x
  2. Step 2: Convert to fraction form
    8,748,061.70/13,122,092.55 = 6,921,479.30/x
  3. Step 3: Cross multiply
    8,748,061.70x = 13,122,092.55 × 6,921,479.30
  4. Step 4: Simplify right side
    8,748,061.70x = 90,824,291,957,509.22
  5. Step 5: Solve for x
    x = 90,824,291,957,509.22/8,748,061.70
  6. Step 6: Final answer
    x = 10,382,218.95

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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.