Home / 28,090,131.32-38,748,860.52-22,868,756.30

Finding the Fourth Proportional to 28,090,131.32, 38,748,860.52 and 22,868,756.30

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Solution

The fourth proportional to 28,090,131.32, 38,748,860.52 and 22,868,756.30 is: 31,546,247.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,090,131.32 : 38,748,860.52 = 22,868,756.30 : x
  2. Step 2: Convert to fraction form
    28,090,131.32/38,748,860.52 = 22,868,756.30/x
  3. Step 3: Cross multiply
    28,090,131.32x = 38,748,860.52 × 22,868,756.30
  4. Step 4: Simplify right side
    28,090,131.32x = 886,138,248,134,571.38
  5. Step 5: Solve for x
    x = 886,138,248,134,571.38/28,090,131.32
  6. Step 6: Final answer
    x = 31,546,247.97

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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.