Home / 40,011,142.03-55,215,432.03-21,676,427.53

Finding the Fourth Proportional to 40,011,142.03, 55,215,432.03 and 21,676,427.53

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Solution

The fourth proportional to 40,011,142.03, 55,215,432.03 and 21,676,427.53 is: 29,913,500.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,011,142.03 : 55,215,432.03 = 21,676,427.53 : x
  2. Step 2: Convert to fraction form
    40,011,142.03/55,215,432.03 = 21,676,427.53/x
  3. Step 3: Cross multiply
    40,011,142.03x = 55,215,432.03 × 21,676,427.53
  4. Step 4: Simplify right side
    40,011,142.03x = 1,196,873,310,935,936
  5. Step 5: Solve for x
    x = 1,196,873,310,935,936/40,011,142.03
  6. Step 6: Final answer
    x = 29,913,500.35

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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.