Home / 12,134,802.40-18,202,203.60-10,917,080.80

Finding the Fourth Proportional to 12,134,802.40, 18,202,203.60 and 10,917,080.80

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Solution

The fourth proportional to 12,134,802.40, 18,202,203.60 and 10,917,080.80 is: 16,375,621.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,134,802.40 : 18,202,203.60 = 10,917,080.80 : x
  2. Step 2: Convert to fraction form
    12,134,802.40/18,202,203.60 = 10,917,080.80/x
  3. Step 3: Cross multiply
    12,134,802.40x = 18,202,203.60 × 10,917,080.80
  4. Step 4: Simplify right side
    12,134,802.40x = 198,714,927,439,250.91
  5. Step 5: Solve for x
    x = 198,714,927,439,250.91/12,134,802.40
  6. Step 6: Final answer
    x = 16,375,621.20

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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.