Home / 30,020,427.28-41,428,337.28-16,269,391.42

Finding the Fourth Proportional to 30,020,427.28, 41,428,337.28 and 16,269,391.42

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Solution

The fourth proportional to 30,020,427.28, 41,428,337.28 and 16,269,391.42 is: 22,451,840.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,020,427.28 : 41,428,337.28 = 16,269,391.42 : x
  2. Step 2: Convert to fraction form
    30,020,427.28/41,428,337.28 = 16,269,391.42/x
  3. Step 3: Cross multiply
    30,020,427.28x = 41,428,337.28 × 16,269,391.42
  4. Step 4: Simplify right side
    30,020,427.28x = 674,013,835,088,098.12
  5. Step 5: Solve for x
    x = 674,013,835,088,098.12/30,020,427.28
  6. Step 6: Final answer
    x = 22,451,840.17

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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.