Home / 7,782,803.80-11,642,712.90-6,838,019.80

Finding the Fourth Proportional to 7,782,803.80, 11,642,712.90 and 6,838,019.80

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Solution

The fourth proportional to 7,782,803.80, 11,642,712.90 and 6,838,019.80 is: 10,229,359.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,782,803.80 : 11,642,712.90 = 6,838,019.80 : x
  2. Step 2: Convert to fraction form
    7,782,803.80/11,642,712.90 = 6,838,019.80/x
  3. Step 3: Cross multiply
    7,782,803.80x = 11,642,712.90 × 6,838,019.80
  4. Step 4: Simplify right side
    7,782,803.80x = 79,613,101,335,915.42
  5. Step 5: Solve for x
    x = 79,613,101,335,915.42/7,782,803.80
  6. Step 6: Final answer
    x = 10,229,359.93

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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.