Home / 20,590,081.12-30,885,340.38-6,213,275.29

Finding the Fourth Proportional to 20,590,081.12, 30,885,340.38 and 6,213,275.29

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Solution

The fourth proportional to 20,590,081.12, 30,885,340.38 and 6,213,275.29 is: 9,319,978.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,590,081.12 : 30,885,340.38 = 6,213,275.29 : x
  2. Step 2: Convert to fraction form
    20,590,081.12/30,885,340.38 = 6,213,275.29/x
  3. Step 3: Cross multiply
    20,590,081.12x = 30,885,340.38 × 6,213,275.29
  4. Step 4: Simplify right side
    20,590,081.12x = 191,899,122,206,293.22
  5. Step 5: Solve for x
    x = 191,899,122,206,293.22/20,590,081.12
  6. Step 6: Final answer
    x = 9,319,978.93

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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.