Home / 28,452,940.68-42,679,523.10-6,887,507.76

Finding the Fourth Proportional to 28,452,940.68, 42,679,523.10 and 6,887,507.76

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Solution

The fourth proportional to 28,452,940.68, 42,679,523.10 and 6,887,507.76 is: 10,331,288.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,452,940.68 : 42,679,523.10 = 6,887,507.76 : x
  2. Step 2: Convert to fraction form
    28,452,940.68/42,679,523.10 = 6,887,507.76/x
  3. Step 3: Cross multiply
    28,452,940.68x = 42,679,523.10 × 6,887,507.76
  4. Step 4: Simplify right side
    28,452,940.68x = 293,955,546,544,349.25
  5. Step 5: Solve for x
    x = 293,955,546,544,349.25/28,452,940.68
  6. Step 6: Final answer
    x = 10,331,288.77

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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.