Home / 7,722,123.07-11,578,642.65-2,930,149.09

Finding the Fourth Proportional to 7,722,123.07, 11,578,642.65 and 2,930,149.09

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Solution

The fourth proportional to 7,722,123.07, 11,578,642.65 and 2,930,149.09 is: 4,393,500.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,722,123.07 : 11,578,642.65 = 2,930,149.09 : x
  2. Step 2: Convert to fraction form
    7,722,123.07/11,578,642.65 = 2,930,149.09/x
  3. Step 3: Cross multiply
    7,722,123.07x = 11,578,642.65 × 2,930,149.09
  4. Step 4: Simplify right side
    7,722,123.07x = 33,927,149,224,332.69
  5. Step 5: Solve for x
    x = 33,927,149,224,332.69/7,722,123.07
  6. Step 6: Final answer
    x = 4,393,500.20

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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.