Home / 12,122,742.81-16,729,540.08-7,161,347.42

Finding the Fourth Proportional to 12,122,742.81, 16,729,540.08 and 7,161,347.42

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Solution

The fourth proportional to 12,122,742.81, 16,729,540.08 and 7,161,347.42 is: 9,882,751.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,122,742.81 : 16,729,540.08 = 7,161,347.42 : x
  2. Step 2: Convert to fraction form
    12,122,742.81/16,729,540.08 = 7,161,347.42/x
  3. Step 3: Cross multiply
    12,122,742.81x = 16,729,540.08 × 7,161,347.42
  4. Step 4: Simplify right side
    12,122,742.81x = 119,806,048,606,046.89
  5. Step 5: Solve for x
    x = 119,806,048,606,046.89/12,122,742.81
  6. Step 6: Final answer
    x = 9,882,751.00

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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.