Home / 31,966,618.79-47,942,597.75-8,939,171.57

Finding the Fourth Proportional to 31,966,618.79, 47,942,597.75 and 8,939,171.57

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Solution

The fourth proportional to 31,966,618.79, 47,942,597.75 and 8,939,171.57 is: 13,406,707.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,966,618.79 : 47,942,597.75 = 8,939,171.57 : x
  2. Step 2: Convert to fraction form
    31,966,618.79/47,942,597.75 = 8,939,171.57/x
  3. Step 3: Cross multiply
    31,966,618.79x = 47,942,597.75 × 8,939,171.57
  4. Step 4: Simplify right side
    31,966,618.79x = 428,567,106,514,337.06
  5. Step 5: Solve for x
    x = 428,567,106,514,337.06/31,966,618.79
  6. Step 6: Final answer
    x = 13,406,707.46

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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.