Home / 11,827,285.20-17,712,934.20-8,020,155.60

Finding the Fourth Proportional to 11,827,285.20, 17,712,934.20 and 8,020,155.60

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Solution

The fourth proportional to 11,827,285.20, 17,712,934.20 and 8,020,155.60 is: 12,011,250.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,827,285.20 : 17,712,934.20 = 8,020,155.60 : x
  2. Step 2: Convert to fraction form
    11,827,285.20/17,712,934.20 = 8,020,155.60/x
  3. Step 3: Cross multiply
    11,827,285.20x = 17,712,934.20 × 8,020,155.60
  4. Step 4: Simplify right side
    11,827,285.20x = 142,060,488,416,561.50
  5. Step 5: Solve for x
    x = 142,060,488,416,561.50/11,827,285.20
  6. Step 6: Final answer
    x = 12,011,250.77

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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.