Home / 39,349,805.32-54,302,827.62-21,947,277.88

Finding the Fourth Proportional to 39,349,805.32, 54,302,827.62 and 21,947,277.88

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Solution

The fourth proportional to 39,349,805.32, 54,302,827.62 and 21,947,277.88 is: 30,287,297.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,349,805.32 : 54,302,827.62 = 21,947,277.88 : x
  2. Step 2: Convert to fraction form
    39,349,805.32/54,302,827.62 = 21,947,277.88/x
  3. Step 3: Cross multiply
    39,349,805.32x = 54,302,827.62 × 21,947,277.88
  4. Step 4: Simplify right side
    39,349,805.32x = 1,191,799,247,445,879
  5. Step 5: Solve for x
    x = 1,191,799,247,445,879/39,349,805.32
  6. Step 6: Final answer
    x = 30,287,297.17

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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.