Home / 10,976,316.88-15,152,582.60-7,715,926.48

Finding the Fourth Proportional to 10,976,316.88, 15,152,582.60 and 7,715,926.48

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Solution

The fourth proportional to 10,976,316.88, 15,152,582.60 and 7,715,926.48 is: 10,651,679.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,976,316.88 : 15,152,582.60 = 7,715,926.48 : x
  2. Step 2: Convert to fraction form
    10,976,316.88/15,152,582.60 = 7,715,926.48/x
  3. Step 3: Cross multiply
    10,976,316.88x = 15,152,582.60 × 7,715,926.48
  4. Step 4: Simplify right side
    10,976,316.88x = 116,916,213,323,727.25
  5. Step 5: Solve for x
    x = 116,916,213,323,727.25/10,976,316.88
  6. Step 6: Final answer
    x = 10,651,679.85

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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.