Home / 7,791,565-11,687,347.60-2,111,789.30

Finding the Fourth Proportional to 7,791,565, 11,687,347.60 and 2,111,789.30

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Solution

The fourth proportional to 7,791,565, 11,687,347.60 and 2,111,789.30 is: 3,167,683.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,791,565 : 11,687,347.60 = 2,111,789.30 : x
  2. Step 2: Convert to fraction form
    7,791,565/11,687,347.60 = 2,111,789.30/x
  3. Step 3: Cross multiply
    7,791,565x = 11,687,347.60 × 2,111,789.30
  4. Step 4: Simplify right side
    7,791,565x = 24,681,215,607,060.68
  5. Step 5: Solve for x
    x = 24,681,215,607,060.68/7,791,565
  6. Step 6: Final answer
    x = 3,167,683.98

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Double scale
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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.