Home / 10,558,805.78-14,571,152.09-5,729,909.78

Finding the Fourth Proportional to 10,558,805.78, 14,571,152.09 and 5,729,909.78

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Solution

The fourth proportional to 10,558,805.78, 14,571,152.09 and 5,729,909.78 is: 7,907,275.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,558,805.78 : 14,571,152.09 = 5,729,909.78 : x
  2. Step 2: Convert to fraction form
    10,558,805.78/14,571,152.09 = 5,729,909.78/x
  3. Step 3: Cross multiply
    10,558,805.78x = 14,571,152.09 × 5,729,909.78
  4. Step 4: Simplify right side
    10,558,805.78x = 83,491,386,866,358.44
  5. Step 5: Solve for x
    x = 83,491,386,866,358.44/10,558,805.78
  6. Step 6: Final answer
    x = 7,907,275.56

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1.5x scale

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.