Home / 18,715,661.80-28,073,492.70-4,532,237.80

Finding the Fourth Proportional to 18,715,661.80, 28,073,492.70 and 4,532,237.80

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Solution

The fourth proportional to 18,715,661.80, 28,073,492.70 and 4,532,237.80 is: 6,798,356.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,715,661.80 : 28,073,492.70 = 4,532,237.80 : x
  2. Step 2: Convert to fraction form
    18,715,661.80/28,073,492.70 = 4,532,237.80/x
  3. Step 3: Cross multiply
    18,715,661.80x = 28,073,492.70 × 4,532,237.80
  4. Step 4: Simplify right side
    18,715,661.80x = 127,235,744,792,964.05
  5. Step 5: Solve for x
    x = 127,235,744,792,964.05/18,715,661.80
  6. Step 6: Final answer
    x = 6,798,356.70

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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.