Home / 20,281,013.49-27,986,885.31-11,113,459.41

Finding the Fourth Proportional to 20,281,013.49, 27,986,885.31 and 11,113,459.41

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Solution

The fourth proportional to 20,281,013.49, 27,986,885.31 and 11,113,459.41 is: 15,336,073.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,281,013.49 : 27,986,885.31 = 11,113,459.41 : x
  2. Step 2: Convert to fraction form
    20,281,013.49/27,986,885.31 = 11,113,459.41/x
  3. Step 3: Cross multiply
    20,281,013.49x = 27,986,885.31 × 11,113,459.41
  4. Step 4: Simplify right side
    20,281,013.49x = 311,031,113,905,010.25
  5. Step 5: Solve for x
    x = 311,031,113,905,010.25/20,281,013.49
  6. Step 6: Final answer
    x = 15,336,073.52

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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.