Home / 31,031,640.80-46,568,456.40-13,983,538.40

Finding the Fourth Proportional to 31,031,640.80, 46,568,456.40 and 13,983,538.40

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Solution

The fourth proportional to 31,031,640.80, 46,568,456.40 and 13,983,538.40 is: 20,984,768.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,031,640.80 : 46,568,456.40 = 13,983,538.40 : x
  2. Step 2: Convert to fraction form
    31,031,640.80/46,568,456.40 = 13,983,538.40/x
  3. Step 3: Cross multiply
    31,031,640.80x = 46,568,456.40 × 13,983,538.40
  4. Step 4: Simplify right side
    31,031,640.80x = 651,191,798,298,125.75
  5. Step 5: Solve for x
    x = 651,191,798,298,125.75/31,031,640.80
  6. Step 6: Final answer
    x = 20,984,768.50

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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.