Home / 20,931,567.51-31,397,351.57-6,555,760.41

Finding the Fourth Proportional to 20,931,567.51, 31,397,351.57 and 6,555,760.41

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Solution

The fourth proportional to 20,931,567.51, 31,397,351.57 and 6,555,760.41 is: 9,833,640.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,931,567.51 : 31,397,351.57 = 6,555,760.41 : x
  2. Step 2: Convert to fraction form
    20,931,567.51/31,397,351.57 = 6,555,760.41/x
  3. Step 3: Cross multiply
    20,931,567.51x = 31,397,351.57 × 6,555,760.41
  4. Step 4: Simplify right side
    20,931,567.51x = 205,833,514,368,678.56
  5. Step 5: Solve for x
    x = 205,833,514,368,678.56/20,931,567.51
  6. Step 6: Final answer
    x = 9,833,640.71

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1.5x scale

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.