Home / 31,100,380.81-42,927,061.69-18,051,843.45

Finding the Fourth Proportional to 31,100,380.81, 42,927,061.69 and 18,051,843.45

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Solution

The fourth proportional to 31,100,380.81, 42,927,061.69 and 18,051,843.45 is: 24,916,498.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,100,380.81 : 42,927,061.69 = 18,051,843.45 : x
  2. Step 2: Convert to fraction form
    31,100,380.81/42,927,061.69 = 18,051,843.45/x
  3. Step 3: Cross multiply
    31,100,380.81x = 42,927,061.69 × 18,051,843.45
  4. Step 4: Simplify right side
    31,100,380.81x = 774,912,597,396,372.38
  5. Step 5: Solve for x
    x = 774,912,597,396,372.38/31,100,380.81
  6. Step 6: Final answer
    x = 24,916,498.68

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1.5x scale

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.