Home / 12,770,742.40-19,156,113.60-10,503,260.80

Finding the Fourth Proportional to 12,770,742.40, 19,156,113.60 and 10,503,260.80

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Solution

The fourth proportional to 12,770,742.40, 19,156,113.60 and 10,503,260.80 is: 15,754,891.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,770,742.40 : 19,156,113.60 = 10,503,260.80 : x
  2. Step 2: Convert to fraction form
    12,770,742.40/19,156,113.60 = 10,503,260.80/x
  3. Step 3: Cross multiply
    12,770,742.40x = 19,156,113.60 × 10,503,260.80
  4. Step 4: Simplify right side
    12,770,742.40x = 201,201,657,055,226.91
  5. Step 5: Solve for x
    x = 201,201,657,055,226.91/12,770,742.40
  6. Step 6: Final answer
    x = 15,754,891.20

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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.