Home / 13,234,427.20-19,851,640.80-5,256,251.20

Finding the Fourth Proportional to 13,234,427.20, 19,851,640.80 and 5,256,251.20

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Solution

The fourth proportional to 13,234,427.20, 19,851,640.80 and 5,256,251.20 is: 7,884,376.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,234,427.20 : 19,851,640.80 = 5,256,251.20 : x
  2. Step 2: Convert to fraction form
    13,234,427.20/19,851,640.80 = 5,256,251.20/x
  3. Step 3: Cross multiply
    13,234,427.20x = 19,851,640.80 × 5,256,251.20
  4. Step 4: Simplify right side
    13,234,427.20x = 104,345,210,776,968.97
  5. Step 5: Solve for x
    x = 104,345,210,776,968.97/13,234,427.20
  6. Step 6: Final answer
    x = 7,884,376.80

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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.