Home / 12,481,807.40-18,701,715.90-10,676,220.20

Finding the Fourth Proportional to 12,481,807.40, 18,701,715.90 and 10,676,220.20

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Solution

The fourth proportional to 12,481,807.40, 18,701,715.90 and 10,676,220.20 is: 15,996,372.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,481,807.40 : 18,701,715.90 = 10,676,220.20 : x
  2. Step 2: Convert to fraction form
    12,481,807.40/18,701,715.90 = 10,676,220.20/x
  3. Step 3: Cross multiply
    12,481,807.40x = 18,701,715.90 × 10,676,220.20
  4. Step 4: Simplify right side
    12,481,807.40x = 199,663,637,066,241.16
  5. Step 5: Solve for x
    x = 199,663,637,066,241.16/12,481,807.40
  6. Step 6: Final answer
    x = 15,996,372.21

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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.