Home / 7,127,215.40-10,690,823.10-6,707,311.40

Finding the Fourth Proportional to 7,127,215.40, 10,690,823.10 and 6,707,311.40

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Solution

The fourth proportional to 7,127,215.40, 10,690,823.10 and 6,707,311.40 is: 10,060,967.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,127,215.40 : 10,690,823.10 = 6,707,311.40 : x
  2. Step 2: Convert to fraction form
    7,127,215.40/10,690,823.10 = 6,707,311.40/x
  3. Step 3: Cross multiply
    7,127,215.40x = 10,690,823.10 × 6,707,311.40
  4. Step 4: Simplify right side
    7,127,215.40x = 71,706,679,654,013.34
  5. Step 5: Solve for x
    x = 71,706,679,654,013.34/7,127,215.40
  6. Step 6: Final answer
    x = 10,060,967.10

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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.