Home / 18,711,552.60-28,067,328.90-9,133,075.80

Finding the Fourth Proportional to 18,711,552.60, 28,067,328.90 and 9,133,075.80

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Solution

The fourth proportional to 18,711,552.60, 28,067,328.90 and 9,133,075.80 is: 13,699,613.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,711,552.60 : 28,067,328.90 = 9,133,075.80 : x
  2. Step 2: Convert to fraction form
    18,711,552.60/28,067,328.90 = 9,133,075.80/x
  3. Step 3: Cross multiply
    18,711,552.60x = 28,067,328.90 × 9,133,075.80
  4. Step 4: Simplify right side
    18,711,552.60x = 256,341,042,347,230.62
  5. Step 5: Solve for x
    x = 256,341,042,347,230.62/18,711,552.60
  6. Step 6: Final answer
    x = 13,699,613.70

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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.