Home / 13,485,683.60-20,247,187.80-10,648,998.80

Finding the Fourth Proportional to 13,485,683.60, 20,247,187.80 and 10,648,998.80

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Solution

The fourth proportional to 13,485,683.60, 20,247,187.80 and 10,648,998.80 is: 15,988,235.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,485,683.60 : 20,247,187.80 = 10,648,998.80 : x
  2. Step 2: Convert to fraction form
    13,485,683.60/20,247,187.80 = 10,648,998.80/x
  3. Step 3: Cross multiply
    13,485,683.60x = 20,247,187.80 × 10,648,998.80
  4. Step 4: Simplify right side
    13,485,683.60x = 215,612,278,585,574.66
  5. Step 5: Solve for x
    x = 215,612,278,585,574.66/13,485,683.60
  6. Step 6: Final answer
    x = 15,988,235.00

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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.