Home / 43,511,633.28-65,274,885.72-17,938,663.20

Finding the Fourth Proportional to 43,511,633.28, 65,274,885.72 and 17,938,663.20

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Solution

The fourth proportional to 43,511,633.28, 65,274,885.72 and 17,938,663.20 is: 26,911,060.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,511,633.28 : 65,274,885.72 = 17,938,663.20 : x
  2. Step 2: Convert to fraction form
    43,511,633.28/65,274,885.72 = 17,938,663.20/x
  3. Step 3: Cross multiply
    43,511,633.28x = 65,274,885.72 × 17,938,663.20
  4. Step 4: Simplify right side
    43,511,633.28x = 1,170,944,190,349,569.50
  5. Step 5: Solve for x
    x = 1,170,944,190,349,569.50/43,511,633.28
  6. Step 6: Final answer
    x = 26,911,060.38

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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.