Home / 15,990,082.47-22,066,313.83-8,647,915.58

Finding the Fourth Proportional to 15,990,082.47, 22,066,313.83 and 8,647,915.58

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Solution

The fourth proportional to 15,990,082.47, 22,066,313.83 and 8,647,915.58 is: 11,934,123.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,990,082.47 : 22,066,313.83 = 8,647,915.58 : x
  2. Step 2: Convert to fraction form
    15,990,082.47/22,066,313.83 = 8,647,915.58/x
  3. Step 3: Cross multiply
    15,990,082.47x = 22,066,313.83 × 8,647,915.58
  4. Step 4: Simplify right side
    15,990,082.47x = 190,827,619,163,626.47
  5. Step 5: Solve for x
    x = 190,827,619,163,626.47/15,990,082.47
  6. Step 6: Final answer
    x = 11,934,123.51

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1.5x scale

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.