Home / 11,303,287.20-15,639,611.76-9,856,000.80

Finding the Fourth Proportional to 11,303,287.20, 15,639,611.76 and 9,856,000.80

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Solution

The fourth proportional to 11,303,287.20, 15,639,611.76 and 9,856,000.80 is: 13,637,097.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,303,287.20 : 15,639,611.76 = 9,856,000.80 : x
  2. Step 2: Convert to fraction form
    11,303,287.20/15,639,611.76 = 9,856,000.80/x
  3. Step 3: Cross multiply
    11,303,287.20x = 15,639,611.76 × 9,856,000.80
  4. Step 4: Simplify right side
    11,303,287.20x = 154,144,026,018,249.41
  5. Step 5: Solve for x
    x = 154,144,026,018,249.41/11,303,287.20
  6. Step 6: Final answer
    x = 13,637,097.18

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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.