Home / 20,182,075.20-30,263,781.60-8,816,673.60

Finding the Fourth Proportional to 20,182,075.20, 30,263,781.60 and 8,816,673.60

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Solution

The fourth proportional to 20,182,075.20, 30,263,781.60 and 8,816,673.60 is: 13,220,934.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,182,075.20 : 30,263,781.60 = 8,816,673.60 : x
  2. Step 2: Convert to fraction form
    20,182,075.20/30,263,781.60 = 8,816,673.60/x
  3. Step 3: Cross multiply
    20,182,075.20x = 30,263,781.60 × 8,816,673.60
  4. Step 4: Simplify right side
    20,182,075.20x = 266,825,884,268,885.75
  5. Step 5: Solve for x
    x = 266,825,884,268,885.75/20,182,075.20
  6. Step 6: Final answer
    x = 13,220,934.00

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1.5x scale

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.