Home / 38,005,918.20-52,448,237.12-20,602,209.60

Finding the Fourth Proportional to 38,005,918.20, 52,448,237.12 and 20,602,209.60

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Solution

The fourth proportional to 38,005,918.20, 52,448,237.12 and 20,602,209.60 is: 28,431,087.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,005,918.20 : 52,448,237.12 = 20,602,209.60 : x
  2. Step 2: Convert to fraction form
    38,005,918.20/52,448,237.12 = 20,602,209.60/x
  3. Step 3: Cross multiply
    38,005,918.20x = 52,448,237.12 × 20,602,209.60
  4. Step 4: Simplify right side
    38,005,918.20x = 1,080,549,574,193,729.38
  5. Step 5: Solve for x
    x = 1,080,549,574,193,729.38/38,005,918.20
  6. Step 6: Final answer
    x = 28,431,087.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.