Home / 7,128,759.80-10,693,139.70-3,349,623.80

Finding the Fourth Proportional to 7,128,759.80, 10,693,139.70 and 3,349,623.80

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Solution

The fourth proportional to 7,128,759.80, 10,693,139.70 and 3,349,623.80 is: 5,024,435.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,128,759.80 : 10,693,139.70 = 3,349,623.80 : x
  2. Step 2: Convert to fraction form
    7,128,759.80/10,693,139.70 = 3,349,623.80/x
  3. Step 3: Cross multiply
    7,128,759.80x = 10,693,139.70 × 3,349,623.80
  4. Step 4: Simplify right side
    7,128,759.80x = 35,817,995,235,844.86
  5. Step 5: Solve for x
    x = 35,817,995,235,844.86/7,128,759.80
  6. Step 6: Final answer
    x = 5,024,435.70

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Similar ratio
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1.5x scale

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.