Home / 28,247,998.40-42,377,527.20-12,073,918.40

Finding the Fourth Proportional to 28,247,998.40, 42,377,527.20 and 12,073,918.40

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Solution

The fourth proportional to 28,247,998.40, 42,377,527.20 and 12,073,918.40 is: 18,113,241.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,247,998.40 : 42,377,527.20 = 12,073,918.40 : x
  2. Step 2: Convert to fraction form
    28,247,998.40/42,377,527.20 = 12,073,918.40/x
  3. Step 3: Cross multiply
    28,247,998.40x = 42,377,527.20 × 12,073,918.40
  4. Step 4: Simplify right side
    28,247,998.40x = 511,662,805,406,580.56
  5. Step 5: Solve for x
    x = 511,662,805,406,580.56/28,247,998.40
  6. Step 6: Final answer
    x = 18,113,241.09

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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.