Home / 7,931,397.60-10,945,398-4,309,725.60

Finding the Fourth Proportional to 7,931,397.60, 10,945,398 and 4,309,725.60

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Solution

The fourth proportional to 7,931,397.60, 10,945,398 and 4,309,725.60 is: 5,947,458.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,931,397.60 : 10,945,398 = 4,309,725.60 : x
  2. Step 2: Convert to fraction form
    7,931,397.60/10,945,398 = 4,309,725.60/x
  3. Step 3: Cross multiply
    7,931,397.60x = 10,945,398 × 4,309,725.60
  4. Step 4: Simplify right side
    7,931,397.60x = 47,171,661,962,788.80
  5. Step 5: Solve for x
    x = 47,171,661,962,788.80/7,931,397.60
  6. Step 6: Final answer
    x = 5,947,458.99

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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.