Home / 7,715,623.60-11,561,625.60-7,290,470.80

Finding the Fourth Proportional to 7,715,623.60, 11,561,625.60 and 7,290,470.80

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Solution

The fourth proportional to 7,715,623.60, 11,561,625.60 and 7,290,470.80 is: 10,924,547.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,715,623.60 : 11,561,625.60 = 7,290,470.80 : x
  2. Step 2: Convert to fraction form
    7,715,623.60/11,561,625.60 = 7,290,470.80/x
  3. Step 3: Cross multiply
    7,715,623.60x = 11,561,625.60 × 7,290,470.80
  4. Step 4: Simplify right side
    7,715,623.60x = 84,289,693,837,332.47
  5. Step 5: Solve for x
    x = 84,289,693,837,332.47/7,715,623.60
  6. Step 6: Final answer
    x = 10,924,547.15

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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.