Home / 18,139,356.02-25,032,311.33-9,990,594.02

Finding the Fourth Proportional to 18,139,356.02, 25,032,311.33 and 9,990,594.02

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Solution

The fourth proportional to 18,139,356.02, 25,032,311.33 and 9,990,594.02 is: 13,787,019.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,139,356.02 : 25,032,311.33 = 9,990,594.02 : x
  2. Step 2: Convert to fraction form
    18,139,356.02/25,032,311.33 = 9,990,594.02/x
  3. Step 3: Cross multiply
    18,139,356.02x = 25,032,311.33 × 9,990,594.02
  4. Step 4: Simplify right side
    18,139,356.02x = 250,087,659,705,161.72
  5. Step 5: Solve for x
    x = 250,087,659,705,161.72/18,139,356.02
  6. Step 6: Final answer
    x = 13,787,019.75

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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.