Home / 6,971,100.30-10,456,650.45-1,853,520.30

Finding the Fourth Proportional to 6,971,100.30, 10,456,650.45 and 1,853,520.30

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Solution

The fourth proportional to 6,971,100.30, 10,456,650.45 and 1,853,520.30 is: 2,780,280.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,971,100.30 : 10,456,650.45 = 1,853,520.30 : x
  2. Step 2: Convert to fraction form
    6,971,100.30/10,456,650.45 = 1,853,520.30/x
  3. Step 3: Cross multiply
    6,971,100.30x = 10,456,650.45 × 1,853,520.30
  4. Step 4: Simplify right side
    6,971,100.30x = 19,381,613,879,079.13
  5. Step 5: Solve for x
    x = 19,381,613,879,079.13/6,971,100.30
  6. Step 6: Final answer
    x = 2,780,280.45

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Double scale
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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.