Home / 12,445,600.80-18,646,282.80-10,676,128.80

Finding the Fourth Proportional to 12,445,600.80, 18,646,282.80 and 10,676,128.80

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Solution

The fourth proportional to 12,445,600.80, 18,646,282.80 and 10,676,128.80 is: 15,995,219.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,445,600.80 : 18,646,282.80 = 10,676,128.80 : x
  2. Step 2: Convert to fraction form
    12,445,600.80/18,646,282.80 = 10,676,128.80/x
  3. Step 3: Cross multiply
    12,445,600.80x = 18,646,282.80 × 10,676,128.80
  4. Step 4: Simplify right side
    12,445,600.80x = 199,070,116,814,024.66
  5. Step 5: Solve for x
    x = 199,070,116,814,024.66/12,445,600.80
  6. Step 6: Final answer
    x = 15,995,219.52

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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.