Home / 30,827,705.93-42,542,219.38-18,437,799.14

Finding the Fourth Proportional to 30,827,705.93, 42,542,219.38 and 18,437,799.14

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Solution

The fourth proportional to 30,827,705.93, 42,542,219.38 and 18,437,799.14 is: 25,444,153.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,827,705.93 : 42,542,219.38 = 18,437,799.14 : x
  2. Step 2: Convert to fraction form
    30,827,705.93/42,542,219.38 = 18,437,799.14/x
  3. Step 3: Cross multiply
    30,827,705.93x = 42,542,219.38 × 18,437,799.14
  4. Step 4: Simplify right side
    30,827,705.93x = 784,384,895,898,255.38
  5. Step 5: Solve for x
    x = 784,384,895,898,255.38/30,827,705.93
  6. Step 6: Final answer
    x = 25,444,153.96

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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.