Home / 36,156,260.64-49,898,716.88-20,478,074.15

Finding the Fourth Proportional to 36,156,260.64, 49,898,716.88 and 20,478,074.15

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Solution

The fourth proportional to 36,156,260.64, 49,898,716.88 and 20,478,074.15 is: 28,261,485.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,156,260.64 : 49,898,716.88 = 20,478,074.15 : x
  2. Step 2: Convert to fraction form
    36,156,260.64/49,898,716.88 = 20,478,074.15/x
  3. Step 3: Cross multiply
    36,156,260.64x = 49,898,716.88 × 20,478,074.15
  4. Step 4: Simplify right side
    36,156,260.64x = 1,021,829,624,357,645.75
  5. Step 5: Solve for x
    x = 1,021,829,624,357,645.75/36,156,260.64
  6. Step 6: Final answer
    x = 28,261,485.18

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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.