Home / 52,802,672.40-79,218,005.40-18,720,464.40

Finding the Fourth Proportional to 52,802,672.40, 79,218,005.40 and 18,720,464.40

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Solution

The fourth proportional to 52,802,672.40, 79,218,005.40 and 18,720,464.40 is: 28,085,658.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,802,672.40 : 79,218,005.40 = 18,720,464.40 : x
  2. Step 2: Convert to fraction form
    52,802,672.40/79,218,005.40 = 18,720,464.40/x
  3. Step 3: Cross multiply
    52,802,672.40x = 79,218,005.40 × 18,720,464.40
  4. Step 4: Simplify right side
    52,802,672.40x = 1,482,997,849,929,707.75
  5. Step 5: Solve for x
    x = 1,482,997,849,929,707.75/52,802,672.40
  6. Step 6: Final answer
    x = 28,085,658.97

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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.