Home / 12,550,469.07-17,318,919.71-7,043,329.70

Finding the Fourth Proportional to 12,550,469.07, 17,318,919.71 and 7,043,329.70

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Solution

The fourth proportional to 12,550,469.07, 17,318,919.71 and 7,043,329.70 is: 9,719,386.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,550,469.07 : 17,318,919.71 = 7,043,329.70 : x
  2. Step 2: Convert to fraction form
    12,550,469.07/17,318,919.71 = 7,043,329.70/x
  3. Step 3: Cross multiply
    12,550,469.07x = 17,318,919.71 × 7,043,329.70
  4. Step 4: Simplify right side
    12,550,469.07x = 121,982,861,521,699.34
  5. Step 5: Solve for x
    x = 121,982,861,521,699.34/12,550,469.07
  6. Step 6: Final answer
    x = 9,719,386.65

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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.