Home / 8,871,723.40-13,307,585.10-6,446,777.80

Finding the Fourth Proportional to 8,871,723.40, 13,307,585.10 and 6,446,777.80

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Solution

The fourth proportional to 8,871,723.40, 13,307,585.10 and 6,446,777.80 is: 9,670,166.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,871,723.40 : 13,307,585.10 = 6,446,777.80 : x
  2. Step 2: Convert to fraction form
    8,871,723.40/13,307,585.10 = 6,446,777.80/x
  3. Step 3: Cross multiply
    8,871,723.40x = 13,307,585.10 × 6,446,777.80
  4. Step 4: Simplify right side
    8,871,723.40x = 85,791,044,194,290.78
  5. Step 5: Solve for x
    x = 85,791,044,194,290.78/8,871,723.40
  6. Step 6: Final answer
    x = 9,670,166.70

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Double scale
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Similar ratio
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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.