Home / 12,949,511.20-19,424,266.80-6,231,047.20

Finding the Fourth Proportional to 12,949,511.20, 19,424,266.80 and 6,231,047.20

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Solution

The fourth proportional to 12,949,511.20, 19,424,266.80 and 6,231,047.20 is: 9,346,570.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,949,511.20 : 19,424,266.80 = 6,231,047.20 : x
  2. Step 2: Convert to fraction form
    12,949,511.20/19,424,266.80 = 6,231,047.20/x
  3. Step 3: Cross multiply
    12,949,511.20x = 19,424,266.80 × 6,231,047.20
  4. Step 4: Simplify right side
    12,949,511.20x = 121,033,523,256,192.97
  5. Step 5: Solve for x
    x = 121,033,523,256,192.97/12,949,511.20
  6. Step 6: Final answer
    x = 9,346,570.80

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Similar ratio
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1.5x scale

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.