Home / 13,349,318.40-20,030,198.40-9,990,086.40

Finding the Fourth Proportional to 13,349,318.40, 20,030,198.40 and 9,990,086.40

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Solution

The fourth proportional to 13,349,318.40, 20,030,198.40 and 9,990,086.40 is: 14,989,784.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,349,318.40 : 20,030,198.40 = 9,990,086.40 : x
  2. Step 2: Convert to fraction form
    13,349,318.40/20,030,198.40 = 9,990,086.40/x
  3. Step 3: Cross multiply
    13,349,318.40x = 20,030,198.40 × 9,990,086.40
  4. Step 4: Simplify right side
    13,349,318.40x = 200,103,412,625,141.75
  5. Step 5: Solve for x
    x = 200,103,412,625,141.75/13,349,318.40
  6. Step 6: Final answer
    x = 14,989,784.99

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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.