Home / 15,211,754.52-20,992,294.32-8,242,430.23

Finding the Fourth Proportional to 15,211,754.52, 20,992,294.32 and 8,242,430.23

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Solution

The fourth proportional to 15,211,754.52, 20,992,294.32 and 8,242,430.23 is: 11,374,593.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,211,754.52 : 20,992,294.32 = 8,242,430.23 : x
  2. Step 2: Convert to fraction form
    15,211,754.52/20,992,294.32 = 8,242,430.23/x
  3. Step 3: Cross multiply
    15,211,754.52x = 20,992,294.32 × 8,242,430.23
  4. Step 4: Simplify right side
    15,211,754.52x = 173,027,521,195,263.81
  5. Step 5: Solve for x
    x = 173,027,521,195,263.81/15,211,754.52
  6. Step 6: Final answer
    x = 11,374,593.31

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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.