Home / 18,989,140.13-26,204,868.53-10,287,250.49

Finding the Fourth Proportional to 18,989,140.13, 26,204,868.53 and 10,287,250.49

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Solution

The fourth proportional to 18,989,140.13, 26,204,868.53 and 10,287,250.49 is: 14,196,327.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,989,140.13 : 26,204,868.53 = 10,287,250.49 : x
  2. Step 2: Convert to fraction form
    18,989,140.13/26,204,868.53 = 10,287,250.49/x
  3. Step 3: Cross multiply
    18,989,140.13x = 26,204,868.53 × 10,287,250.49
  4. Step 4: Simplify right side
    18,989,140.13x = 269,576,046,443,167.47
  5. Step 5: Solve for x
    x = 269,576,046,443,167.47/18,989,140.13
  6. Step 6: Final answer
    x = 14,196,327.20

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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.