Home / 7,034,052.72-9,708,817.53-3,980,038.44

Finding the Fourth Proportional to 7,034,052.72, 9,708,817.53 and 3,980,038.44

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Solution

The fourth proportional to 7,034,052.72, 9,708,817.53 and 3,980,038.44 is: 5,493,485.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,034,052.72 : 9,708,817.53 = 3,980,038.44 : x
  2. Step 2: Convert to fraction form
    7,034,052.72/9,708,817.53 = 3,980,038.44/x
  3. Step 3: Cross multiply
    7,034,052.72x = 9,708,817.53 × 3,980,038.44
  4. Step 4: Simplify right side
    7,034,052.72x = 38,641,466,976,345.85
  5. Step 5: Solve for x
    x = 38,641,466,976,345.85/7,034,052.72
  6. Step 6: Final answer
    x = 5,493,485.55

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Double scale
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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.