Home / 20,315,922.09-30,478,399.28-9,527,472.96

Finding the Fourth Proportional to 20,315,922.09, 30,478,399.28 and 9,527,472.96

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Solution

The fourth proportional to 20,315,922.09, 30,478,399.28 and 9,527,472.96 is: 14,293,327.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,315,922.09 : 30,478,399.28 = 9,527,472.96 : x
  2. Step 2: Convert to fraction form
    20,315,922.09/30,478,399.28 = 9,527,472.96/x
  3. Step 3: Cross multiply
    20,315,922.09x = 30,478,399.28 × 9,527,472.96
  4. Step 4: Simplify right side
    20,315,922.09x = 290,382,124,956,646.12
  5. Step 5: Solve for x
    x = 290,382,124,956,646.12/20,315,922.09
  6. Step 6: Final answer
    x = 14,293,327.36

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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.