Home / 6,124,763.70-9,187,145.55-3,138,779.70

Finding the Fourth Proportional to 6,124,763.70, 9,187,145.55 and 3,138,779.70

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Solution

The fourth proportional to 6,124,763.70, 9,187,145.55 and 3,138,779.70 is: 4,708,169.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,124,763.70 : 9,187,145.55 = 3,138,779.70 : x
  2. Step 2: Convert to fraction form
    6,124,763.70/9,187,145.55 = 3,138,779.70/x
  3. Step 3: Cross multiply
    6,124,763.70x = 9,187,145.55 × 3,138,779.70
  4. Step 4: Simplify right side
    6,124,763.70x = 28,836,425,953,285.34
  5. Step 5: Solve for x
    x = 28,836,425,953,285.34/6,124,763.70
  6. Step 6: Final answer
    x = 4,708,169.55

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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.