Home / 12,482,127.40-18,702,195.90-10,676,540.20

Finding the Fourth Proportional to 12,482,127.40, 18,702,195.90 and 10,676,540.20

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Solution

The fourth proportional to 12,482,127.40, 18,702,195.90 and 10,676,540.20 is: 15,996,852.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,482,127.40 : 18,702,195.90 = 10,676,540.20 : x
  2. Step 2: Convert to fraction form
    12,482,127.40/18,702,195.90 = 10,676,540.20/x
  3. Step 3: Cross multiply
    12,482,127.40x = 18,702,195.90 × 10,676,540.20
  4. Step 4: Simplify right side
    12,482,127.40x = 199,674,746,354,625.16
  5. Step 5: Solve for x
    x = 199,674,746,354,625.16/12,482,127.40
  6. Step 6: Final answer
    x = 15,996,852.14

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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.