Home / 31,112,354.52-42,935,050.08-17,173,712.52

Finding the Fourth Proportional to 31,112,354.52, 42,935,050.08 and 17,173,712.52

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Solution

The fourth proportional to 31,112,354.52, 42,935,050.08 and 17,173,712.52 is: 23,699,723.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,112,354.52 : 42,935,050.08 = 17,173,712.52 : x
  2. Step 2: Convert to fraction form
    31,112,354.52/42,935,050.08 = 17,173,712.52/x
  3. Step 3: Cross multiply
    31,112,354.52x = 42,935,050.08 × 17,173,712.52
  4. Step 4: Simplify right side
    31,112,354.52x = 737,354,207,105,723
  5. Step 5: Solve for x
    x = 737,354,207,105,723/31,112,354.52
  6. Step 6: Final answer
    x = 23,699,723.74

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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.