Home / 11,130,339.39-15,359,869.85-6,169,100.69

Finding the Fourth Proportional to 11,130,339.39, 15,359,869.85 and 6,169,100.69

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Solution

The fourth proportional to 11,130,339.39, 15,359,869.85 and 6,169,100.69 is: 8,513,359.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,130,339.39 : 15,359,869.85 = 6,169,100.69 : x
  2. Step 2: Convert to fraction form
    11,130,339.39/15,359,869.85 = 6,169,100.69/x
  3. Step 3: Cross multiply
    11,130,339.39x = 15,359,869.85 × 6,169,100.69
  4. Step 4: Simplify right side
    11,130,339.39x = 94,756,583,697,499.38
  5. Step 5: Solve for x
    x = 94,756,583,697,499.38/11,130,339.39
  6. Step 6: Final answer
    x = 8,513,359.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.