Home / 6,899,695.80-10,349,543.70-3,120,559.80

Finding the Fourth Proportional to 6,899,695.80, 10,349,543.70 and 3,120,559.80

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Solution

The fourth proportional to 6,899,695.80, 10,349,543.70 and 3,120,559.80 is: 4,680,839.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,899,695.80 : 10,349,543.70 = 3,120,559.80 : x
  2. Step 2: Convert to fraction form
    6,899,695.80/10,349,543.70 = 3,120,559.80/x
  3. Step 3: Cross multiply
    6,899,695.80x = 10,349,543.70 × 3,120,559.80
  4. Step 4: Simplify right side
    6,899,695.80x = 32,296,370,018,563.25
  5. Step 5: Solve for x
    x = 32,296,370,018,563.25/6,899,695.80
  6. Step 6: Final answer
    x = 4,680,839.70

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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.