Home / 18,365,387.60-27,548,081.40-5,585,790.80

Finding the Fourth Proportional to 18,365,387.60, 27,548,081.40 and 5,585,790.80

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Solution

The fourth proportional to 18,365,387.60, 27,548,081.40 and 5,585,790.80 is: 8,378,686.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,365,387.60 : 27,548,081.40 = 5,585,790.80 : x
  2. Step 2: Convert to fraction form
    18,365,387.60/27,548,081.40 = 5,585,790.80/x
  3. Step 3: Cross multiply
    18,365,387.60x = 27,548,081.40 × 5,585,790.80
  4. Step 4: Simplify right side
    18,365,387.60x = 153,877,819,641,771.09
  5. Step 5: Solve for x
    x = 153,877,819,641,771.09/18,365,387.60
  6. Step 6: Final answer
    x = 8,378,686.20

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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.