Home / 39,916,869.60-59,851,684.80-20,784,993.60

Finding the Fourth Proportional to 39,916,869.60, 59,851,684.80 and 20,784,993.60

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Solution

The fourth proportional to 39,916,869.60, 59,851,684.80 and 20,784,993.60 is: 31,165,191.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,916,869.60 : 59,851,684.80 = 20,784,993.60 : x
  2. Step 2: Convert to fraction form
    39,916,869.60/59,851,684.80 = 20,784,993.60/x
  3. Step 3: Cross multiply
    39,916,869.60x = 59,851,684.80 × 20,784,993.60
  4. Step 4: Simplify right side
    39,916,869.60x = 1,244,016,885,517,217.25
  5. Step 5: Solve for x
    x = 1,244,016,885,517,217.25/39,916,869.60
  6. Step 6: Final answer
    x = 31,165,191.51

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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.