Home / 12,780,765.87-17,625,484.65-10,175,868.87

Finding the Fourth Proportional to 12,780,765.87, 17,625,484.65 and 10,175,868.87

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Solution

The fourth proportional to 12,780,765.87, 17,625,484.65 and 10,175,868.87 is: 14,033,166.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,780,765.87 : 17,625,484.65 = 10,175,868.87 : x
  2. Step 2: Convert to fraction form
    12,780,765.87/17,625,484.65 = 10,175,868.87/x
  3. Step 3: Cross multiply
    12,780,765.87x = 17,625,484.65 × 10,175,868.87
  4. Step 4: Simplify right side
    12,780,765.87x = 179,354,620,568,597.81
  5. Step 5: Solve for x
    x = 179,354,620,568,597.81/12,780,765.87
  6. Step 6: Final answer
    x = 14,033,166.90

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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.