Home / 7,971,028.12-11,956,726.86-2,853,807.76

Finding the Fourth Proportional to 7,971,028.12, 11,956,726.86 and 2,853,807.76

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Solution

The fourth proportional to 7,971,028.12, 11,956,726.86 and 2,853,807.76 is: 4,280,777.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,971,028.12 : 11,956,726.86 = 2,853,807.76 : x
  2. Step 2: Convert to fraction form
    7,971,028.12/11,956,726.86 = 2,853,807.76/x
  3. Step 3: Cross multiply
    7,971,028.12x = 11,956,726.86 × 2,853,807.76
  4. Step 4: Simplify right side
    7,971,028.12x = 34,122,199,897,268.43
  5. Step 5: Solve for x
    x = 34,122,199,897,268.43/7,971,028.12
  6. Step 6: Final answer
    x = 4,280,777.76

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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.