Home / 20,049,923.91-30,070,070.37-9,256,854.72

Finding the Fourth Proportional to 20,049,923.91, 30,070,070.37 and 9,256,854.72

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Solution

The fourth proportional to 20,049,923.91, 30,070,070.37 and 9,256,854.72 is: 13,883,058.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,049,923.91 : 30,070,070.37 = 9,256,854.72 : x
  2. Step 2: Convert to fraction form
    20,049,923.91/30,070,070.37 = 9,256,854.72/x
  3. Step 3: Cross multiply
    20,049,923.91x = 30,070,070.37 × 9,256,854.72
  4. Step 4: Simplify right side
    20,049,923.91x = 278,354,272,835,266.69
  5. Step 5: Solve for x
    x = 278,354,272,835,266.69/20,049,923.91
  6. Step 6: Final answer
    x = 13,883,058.81

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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.