Home / 26,121,968.80-39,172,700.40-9,939,325.60

Finding the Fourth Proportional to 26,121,968.80, 39,172,700.40 and 9,939,325.60

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Solution

The fourth proportional to 26,121,968.80, 39,172,700.40 and 9,939,325.60 is: 14,905,087.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,121,968.80 : 39,172,700.40 = 9,939,325.60 : x
  2. Step 2: Convert to fraction form
    26,121,968.80/39,172,700.40 = 9,939,325.60/x
  3. Step 3: Cross multiply
    26,121,968.80x = 39,172,700.40 × 9,939,325.60
  4. Step 4: Simplify right side
    26,121,968.80x = 389,350,223,906,850.19
  5. Step 5: Solve for x
    x = 389,350,223,906,850.19/26,121,968.80
  6. Step 6: Final answer
    x = 14,905,087.24

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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.