Home / 10,812,657.60-16,218,986.40-4,420,785.60

Finding the Fourth Proportional to 10,812,657.60, 16,218,986.40 and 4,420,785.60

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Solution

The fourth proportional to 10,812,657.60, 16,218,986.40 and 4,420,785.60 is: 6,631,178.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,812,657.60 : 16,218,986.40 = 4,420,785.60 : x
  2. Step 2: Convert to fraction form
    10,812,657.60/16,218,986.40 = 4,420,785.60/x
  3. Step 3: Cross multiply
    10,812,657.60x = 16,218,986.40 × 4,420,785.60
  4. Step 4: Simplify right side
    10,812,657.60x = 71,700,661,523,715.83
  5. Step 5: Solve for x
    x = 71,700,661,523,715.83/10,812,657.60
  6. Step 6: Final answer
    x = 6,631,178.40

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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.