Home / 21,396,502.69-32,018,082.67-18,527,763.49

Finding the Fourth Proportional to 21,396,502.69, 32,018,082.67 and 18,527,763.49

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Solution

The fourth proportional to 21,396,502.69, 32,018,082.67 and 18,527,763.49 is: 27,725,253.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,396,502.69 : 32,018,082.67 = 18,527,763.49 : x
  2. Step 2: Convert to fraction form
    21,396,502.69/32,018,082.67 = 18,527,763.49/x
  3. Step 3: Cross multiply
    21,396,502.69x = 32,018,082.67 × 18,527,763.49
  4. Step 4: Simplify right side
    21,396,502.69x = 593,223,463,113,027.75
  5. Step 5: Solve for x
    x = 593,223,463,113,027.75/21,396,502.69
  6. Step 6: Final answer
    x = 27,725,253.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.