Home / 6,471,292.20-9,706,938.30-6,387,311.40

Finding the Fourth Proportional to 6,471,292.20, 9,706,938.30 and 6,387,311.40

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Solution

The fourth proportional to 6,471,292.20, 9,706,938.30 and 6,387,311.40 is: 9,580,967.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,471,292.20 : 9,706,938.30 = 6,387,311.40 : x
  2. Step 2: Convert to fraction form
    6,471,292.20/9,706,938.30 = 6,387,311.40/x
  3. Step 3: Cross multiply
    6,471,292.20x = 9,706,938.30 × 6,387,311.40
  4. Step 4: Simplify right side
    6,471,292.20x = 62,001,237,662,686.62
  5. Step 5: Solve for x
    x = 62,001,237,662,686.62/6,471,292.20
  6. Step 6: Final answer
    x = 9,580,967.10

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Double scale
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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.