Home / 12,892,109.55-17,791,447.80-7,091,043.55

Finding the Fourth Proportional to 12,892,109.55, 17,791,447.80 and 7,091,043.55

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Solution

The fourth proportional to 12,892,109.55, 17,791,447.80 and 7,091,043.55 is: 9,785,825.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,892,109.55 : 17,791,447.80 = 7,091,043.55 : x
  2. Step 2: Convert to fraction form
    12,892,109.55/17,791,447.80 = 7,091,043.55/x
  3. Step 3: Cross multiply
    12,892,109.55x = 17,791,447.80 × 7,091,043.55
  4. Step 4: Simplify right side
    12,892,109.55x = 126,159,931,149,464.50
  5. Step 5: Solve for x
    x = 126,159,931,149,464.50/12,892,109.55
  6. Step 6: Final answer
    x = 9,785,825.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.