Home / 7,871,111.12-11,806,712.76-2,406,253.52

Finding the Fourth Proportional to 7,871,111.12, 11,806,712.76 and 2,406,253.52

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Solution

The fourth proportional to 7,871,111.12, 11,806,712.76 and 2,406,253.52 is: 3,609,394.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,871,111.12 : 11,806,712.76 = 2,406,253.52 : x
  2. Step 2: Convert to fraction form
    7,871,111.12/11,806,712.76 = 2,406,253.52/x
  3. Step 3: Cross multiply
    7,871,111.12x = 11,806,712.76 × 2,406,253.52
  4. Step 4: Simplify right side
    7,871,111.12x = 28,409,944,138,378.91
  5. Step 5: Solve for x
    x = 28,409,944,138,378.91/7,871,111.12
  6. Step 6: Final answer
    x = 3,609,394.37

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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.