Home / 18,342,428.40-27,513,642.60-18,058,993.20

Finding the Fourth Proportional to 18,342,428.40, 27,513,642.60 and 18,058,993.20

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Solution

The fourth proportional to 18,342,428.40, 27,513,642.60 and 18,058,993.20 is: 27,088,489.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,342,428.40 : 27,513,642.60 = 18,058,993.20 : x
  2. Step 2: Convert to fraction form
    18,342,428.40/27,513,642.60 = 18,058,993.20/x
  3. Step 3: Cross multiply
    18,342,428.40x = 27,513,642.60 × 18,058,993.20
  4. Step 4: Simplify right side
    18,342,428.40x = 496,868,684,620,630.31
  5. Step 5: Solve for x
    x = 496,868,684,620,630.31/18,342,428.40
  6. Step 6: Final answer
    x = 27,088,489.80

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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.