Home / 7,642,715.98-10,542,468.81-4,888,398.46

Finding the Fourth Proportional to 7,642,715.98, 10,542,468.81 and 4,888,398.46

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Solution

The fourth proportional to 7,642,715.98, 10,542,468.81 and 4,888,398.46 is: 6,743,124.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,642,715.98 : 10,542,468.81 = 4,888,398.46 : x
  2. Step 2: Convert to fraction form
    7,642,715.98/10,542,468.81 = 4,888,398.46/x
  3. Step 3: Cross multiply
    7,642,715.98x = 10,542,468.81 × 4,888,398.46
  4. Step 4: Simplify right side
    7,642,715.98x = 51,535,788,295,402.03
  5. Step 5: Solve for x
    x = 51,535,788,295,402.03/7,642,715.98
  6. Step 6: Final answer
    x = 6,743,124.88

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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.