Home / 29,369,946.38-40,479,222.12-21,512,765.88

Finding the Fourth Proportional to 29,369,946.38, 40,479,222.12 and 21,512,765.88

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Solution

The fourth proportional to 29,369,946.38, 40,479,222.12 and 21,512,765.88 is: 29,650,038.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,369,946.38 : 40,479,222.12 = 21,512,765.88 : x
  2. Step 2: Convert to fraction form
    29,369,946.38/40,479,222.12 = 21,512,765.88/x
  3. Step 3: Cross multiply
    29,369,946.38x = 40,479,222.12 × 21,512,765.88
  4. Step 4: Simplify right side
    29,369,946.38x = 870,820,028,472,077.12
  5. Step 5: Solve for x
    x = 870,820,028,472,077.12/29,369,946.38
  6. Step 6: Final answer
    x = 29,650,038.08

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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.