Home / 20,412,728-30,608,461-9,627,132.76

Finding the Fourth Proportional to 20,412,728, 30,608,461 and 9,627,132.76

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Solution

The fourth proportional to 20,412,728, 30,608,461 and 9,627,132.76 is: 14,435,685.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,412,728 : 30,608,461 = 9,627,132.76 : x
  2. Step 2: Convert to fraction form
    20,412,728/30,608,461 = 9,627,132.76/x
  3. Step 3: Cross multiply
    20,412,728x = 30,608,461 × 9,627,132.76
  4. Step 4: Simplify right side
    20,412,728x = 294,671,717,626,282.38
  5. Step 5: Solve for x
    x = 294,671,717,626,282.38/20,412,728
  6. Step 6: Final answer
    x = 14,435,685.31

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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.