Home / 36,686,817.60-55,030,226.40-28,209,940.80

Finding the Fourth Proportional to 36,686,817.60, 55,030,226.40 and 28,209,940.80

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Solution

The fourth proportional to 36,686,817.60, 55,030,226.40 and 28,209,940.80 is: 42,314,911.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,686,817.60 : 55,030,226.40 = 28,209,940.80 : x
  2. Step 2: Convert to fraction form
    36,686,817.60/55,030,226.40 = 28,209,940.80/x
  3. Step 3: Cross multiply
    36,686,817.60x = 55,030,226.40 × 28,209,940.80
  4. Step 4: Simplify right side
    36,686,817.60x = 1,552,399,428,954,597
  5. Step 5: Solve for x
    x = 1,552,399,428,954,597/36,686,817.60
  6. Step 6: Final answer
    x = 42,314,911.20

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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.