Home / 20,315,923.59-30,478,401.53-9,527,474.46

Finding the Fourth Proportional to 20,315,923.59, 30,478,401.53 and 9,527,474.46

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Solution

The fourth proportional to 20,315,923.59, 30,478,401.53 and 9,527,474.46 is: 14,293,329.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,315,923.59 : 30,478,401.53 = 9,527,474.46 : x
  2. Step 2: Convert to fraction form
    20,315,923.59/30,478,401.53 = 9,527,474.46/x
  3. Step 3: Cross multiply
    20,315,923.59x = 30,478,401.53 × 9,527,474.46
  4. Step 4: Simplify right side
    20,315,923.59x = 290,382,192,111,062.56
  5. Step 5: Solve for x
    x = 290,382,192,111,062.56/20,315,923.59
  6. Step 6: Final answer
    x = 14,293,329.61

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1.5x scale

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.