Home / 15,371,965.28-21,213,763.22-8,403,027.95

Finding the Fourth Proportional to 15,371,965.28, 21,213,763.22 and 8,403,027.95

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Solution

The fourth proportional to 15,371,965.28, 21,213,763.22 and 8,403,027.95 is: 11,596,425.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,371,965.28 : 21,213,763.22 = 8,403,027.95 : x
  2. Step 2: Convert to fraction form
    15,371,965.28/21,213,763.22 = 8,403,027.95/x
  3. Step 3: Cross multiply
    15,371,965.28x = 21,213,763.22 × 8,403,027.95
  4. Step 4: Simplify right side
    15,371,965.28x = 178,259,845,177,280.75
  5. Step 5: Solve for x
    x = 178,259,845,177,280.75/15,371,965.28
  6. Step 6: Final answer
    x = 11,596,425.18

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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.