Home / 52,802,680.40-79,218,017.40-18,720,472.40

Finding the Fourth Proportional to 52,802,680.40, 79,218,017.40 and 18,720,472.40

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Solution

The fourth proportional to 52,802,680.40, 79,218,017.40 and 18,720,472.40 is: 28,085,670.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,802,680.40 : 79,218,017.40 = 18,720,472.40 : x
  2. Step 2: Convert to fraction form
    52,802,680.40/79,218,017.40 = 18,720,472.40/x
  3. Step 3: Cross multiply
    52,802,680.40x = 79,218,017.40 × 18,720,472.40
  4. Step 4: Simplify right side
    52,802,680.40x = 1,482,998,708,319,419.75
  5. Step 5: Solve for x
    x = 1,482,998,708,319,419.75/52,802,680.40
  6. Step 6: Final answer
    x = 28,085,670.98

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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.