Home / 12,486,292-18,729,445.29-3,510,844

Finding the Fourth Proportional to 12,486,292, 18,729,445.29 and 3,510,844

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Solution

The fourth proportional to 12,486,292, 18,729,445.29 and 3,510,844 is: 5,266,268.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,486,292 : 18,729,445.29 = 3,510,844 : x
  2. Step 2: Convert to fraction form
    12,486,292/18,729,445.29 = 3,510,844/x
  3. Step 3: Cross multiply
    12,486,292x = 18,729,445.29 × 3,510,844
  4. Step 4: Simplify right side
    12,486,292x = 65,756,160,619,724.76
  5. Step 5: Solve for x
    x = 65,756,160,619,724.76/12,486,292
  6. Step 6: Final answer
    x = 5,266,268.05

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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.