Home / 38,547,889.74-57,827,329.38-12,642,217.83

Finding the Fourth Proportional to 38,547,889.74, 57,827,329.38 and 12,642,217.83

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Solution

The fourth proportional to 38,547,889.74, 57,827,329.38 and 12,642,217.83 is: 18,965,128.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,547,889.74 : 57,827,329.38 = 12,642,217.83 : x
  2. Step 2: Convert to fraction form
    38,547,889.74/57,827,329.38 = 12,642,217.83/x
  3. Step 3: Cross multiply
    38,547,889.74x = 57,827,329.38 × 12,642,217.83
  4. Step 4: Simplify right side
    38,547,889.74x = 731,065,694,549,118.88
  5. Step 5: Solve for x
    x = 731,065,694,549,118.88/38,547,889.74
  6. Step 6: Final answer
    x = 18,965,128.82

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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.