Home / 12,427,677.56-18,642,180.60-3,908,678.24

Finding the Fourth Proportional to 12,427,677.56, 18,642,180.60 and 3,908,678.24

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Solution

The fourth proportional to 12,427,677.56, 18,642,180.60 and 3,908,678.24 is: 5,863,226.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,427,677.56 : 18,642,180.60 = 3,908,678.24 : x
  2. Step 2: Convert to fraction form
    12,427,677.56/18,642,180.60 = 3,908,678.24/x
  3. Step 3: Cross multiply
    12,427,677.56x = 18,642,180.60 × 3,908,678.24
  4. Step 4: Simplify right side
    12,427,677.56x = 72,866,285,657,370.16
  5. Step 5: Solve for x
    x = 72,866,285,657,370.16/12,427,677.56
  6. Step 6: Final answer
    x = 5,863,226.28

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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.