Home / 10,656,061.60-15,965,721.60-4,964,612.80

Finding the Fourth Proportional to 10,656,061.60, 15,965,721.60 and 4,964,612.80

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Solution

The fourth proportional to 10,656,061.60, 15,965,721.60 and 4,964,612.80 is: 7,438,360.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,656,061.60 : 15,965,721.60 = 4,964,612.80 : x
  2. Step 2: Convert to fraction form
    10,656,061.60/15,965,721.60 = 4,964,612.80/x
  3. Step 3: Cross multiply
    10,656,061.60x = 15,965,721.60 × 4,964,612.80
  4. Step 4: Simplify right side
    10,656,061.60x = 79,263,625,816,596.47
  5. Step 5: Solve for x
    x = 79,263,625,816,596.47/10,656,061.60
  6. Step 6: Final answer
    x = 7,438,360.32

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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.