Home / 28,098,845.75-38,777,259.05-15,709,461.18

Finding the Fourth Proportional to 28,098,845.75, 38,777,259.05 and 15,709,461.18

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Solution

The fourth proportional to 28,098,845.75, 38,777,259.05 and 15,709,461.18 is: 21,679,532.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,098,845.75 : 38,777,259.05 = 15,709,461.18 : x
  2. Step 2: Convert to fraction form
    28,098,845.75/38,777,259.05 = 15,709,461.18/x
  3. Step 3: Cross multiply
    28,098,845.75x = 38,777,259.05 × 15,709,461.18
  4. Step 4: Simplify right side
    28,098,845.75x = 609,169,845,634,231.38
  5. Step 5: Solve for x
    x = 609,169,845,634,231.38/28,098,845.75
  6. Step 6: Final answer
    x = 21,679,532.72

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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.