Home / 12,074,196.48-18,107,441.28-3,985,670.40

Finding the Fourth Proportional to 12,074,196.48, 18,107,441.28 and 3,985,670.40

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Solution

The fourth proportional to 12,074,196.48, 18,107,441.28 and 3,985,670.40 is: 5,977,233.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,074,196.48 : 18,107,441.28 = 3,985,670.40 : x
  2. Step 2: Convert to fraction form
    12,074,196.48/18,107,441.28 = 3,985,670.40/x
  3. Step 3: Cross multiply
    12,074,196.48x = 18,107,441.28 × 3,985,670.40
  4. Step 4: Simplify right side
    12,074,196.48x = 72,170,292,729,434.11
  5. Step 5: Solve for x
    x = 72,170,292,729,434.11/12,074,196.48
  6. Step 6: Final answer
    x = 5,977,233.59

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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.