Home / 15,322,387.72-21,145,129.50-8,353,069.96

Finding the Fourth Proportional to 15,322,387.72, 21,145,129.50 and 8,353,069.96

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Solution

The fourth proportional to 15,322,387.72, 21,145,129.50 and 8,353,069.96 is: 11,527,364.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,322,387.72 : 21,145,129.50 = 8,353,069.96 : x
  2. Step 2: Convert to fraction form
    15,322,387.72/21,145,129.50 = 8,353,069.96/x
  3. Step 3: Cross multiply
    15,322,387.72x = 21,145,129.50 × 8,353,069.96
  4. Step 4: Simplify right side
    15,322,387.72x = 176,626,746,026,759.81
  5. Step 5: Solve for x
    x = 176,626,746,026,759.81/15,322,387.72
  6. Step 6: Final answer
    x = 11,527,364.35

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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.