Home / 10,359,321.10-15,538,981.65-8,217,810.70

Finding the Fourth Proportional to 10,359,321.10, 15,538,981.65 and 8,217,810.70

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Solution

The fourth proportional to 10,359,321.10, 15,538,981.65 and 8,217,810.70 is: 12,326,716.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,359,321.10 : 15,538,981.65 = 8,217,810.70 : x
  2. Step 2: Convert to fraction form
    10,359,321.10/15,538,981.65 = 8,217,810.70/x
  3. Step 3: Cross multiply
    10,359,321.10x = 15,538,981.65 × 8,217,810.70
  4. Step 4: Simplify right side
    10,359,321.10x = 127,696,409,670,473.66
  5. Step 5: Solve for x
    x = 127,696,409,670,473.66/10,359,321.10
  6. Step 6: Final answer
    x = 12,326,716.05

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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.