Home / 15,351,309.28-21,185,136.88-8,476,225.76

Finding the Fourth Proportional to 15,351,309.28, 21,185,136.88 and 8,476,225.76

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Solution

The fourth proportional to 15,351,309.28, 21,185,136.88 and 8,476,225.76 is: 11,697,373.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,351,309.28 : 21,185,136.88 = 8,476,225.76 : x
  2. Step 2: Convert to fraction form
    15,351,309.28/21,185,136.88 = 8,476,225.76/x
  3. Step 3: Cross multiply
    15,351,309.28x = 21,185,136.88 × 8,476,225.76
  4. Step 4: Simplify right side
    15,351,309.28x = 179,570,002,951,382
  5. Step 5: Solve for x
    x = 179,570,002,951,382/15,351,309.28
  6. Step 6: Final answer
    x = 11,697,373.80

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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.