Home / 15,736,805.42-21,718,861-8,862,631.34

Finding the Fourth Proportional to 15,736,805.42, 21,718,861 and 8,862,631.34

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Solution

The fourth proportional to 15,736,805.42, 21,718,861 and 8,862,631.34 is: 12,231,596.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,736,805.42 : 21,718,861 = 8,862,631.34 : x
  2. Step 2: Convert to fraction form
    15,736,805.42/21,718,861 = 8,862,631.34/x
  3. Step 3: Cross multiply
    15,736,805.42x = 21,718,861 × 8,862,631.34
  4. Step 4: Simplify right side
    15,736,805.42x = 192,486,258,167,703.75
  5. Step 5: Solve for x
    x = 192,486,258,167,703.75/15,736,805.42
  6. Step 6: Final answer
    x = 12,231,596.76

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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.