Home / 12,098,692.60-16,692,614.04-7,199,987.56

Finding the Fourth Proportional to 12,098,692.60, 16,692,614.04 and 7,199,987.56

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Solution

The fourth proportional to 12,098,692.60, 16,692,614.04 and 7,199,987.56 is: 9,933,851.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,098,692.60 : 16,692,614.04 = 7,199,987.56 : x
  2. Step 2: Convert to fraction form
    12,098,692.60/16,692,614.04 = 7,199,987.56/x
  3. Step 3: Cross multiply
    12,098,692.60x = 16,692,614.04 × 7,199,987.56
  4. Step 4: Simplify right side
    12,098,692.60x = 120,186,613,431,881.33
  5. Step 5: Solve for x
    x = 120,186,613,431,881.33/12,098,692.60
  6. Step 6: Final answer
    x = 9,933,851.32

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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.