Home / 18,439,698.60-27,659,547.90-5,658,542.55

Finding the Fourth Proportional to 18,439,698.60, 27,659,547.90 and 5,658,542.55

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Solution

The fourth proportional to 18,439,698.60, 27,659,547.90 and 5,658,542.55 is: 8,487,813.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,439,698.60 : 27,659,547.90 = 5,658,542.55 : x
  2. Step 2: Convert to fraction form
    18,439,698.60/27,659,547.90 = 5,658,542.55/x
  3. Step 3: Cross multiply
    18,439,698.60x = 27,659,547.90 × 5,658,542.55
  4. Step 4: Simplify right side
    18,439,698.60x = 156,512,728,705,913.12
  5. Step 5: Solve for x
    x = 156,512,728,705,913.12/18,439,698.60
  6. Step 6: Final answer
    x = 8,487,813.83

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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.