Home / 12,780,764.87-17,625,483.27-10,175,867.87

Finding the Fourth Proportional to 12,780,764.87, 17,625,483.27 and 10,175,867.87

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Solution

The fourth proportional to 12,780,764.87, 17,625,483.27 and 10,175,867.87 is: 14,033,165.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,780,764.87 : 17,625,483.27 = 10,175,867.87 : x
  2. Step 2: Convert to fraction form
    12,780,764.87/17,625,483.27 = 10,175,867.87/x
  3. Step 3: Cross multiply
    12,780,764.87x = 17,625,483.27 × 10,175,867.87
  4. Step 4: Simplify right side
    12,780,764.87x = 179,354,588,812,288.12
  5. Step 5: Solve for x
    x = 179,354,588,812,288.12/12,780,764.87
  6. Step 6: Final answer
    x = 14,033,165.52

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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.