Home / 13,206,500.80-19,798,231.20-5,124,990.40

Finding the Fourth Proportional to 13,206,500.80, 19,798,231.20 and 5,124,990.40

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Solution

The fourth proportional to 13,206,500.80, 19,798,231.20 and 5,124,990.40 is: 7,683,015.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,206,500.80 : 19,798,231.20 = 5,124,990.40 : x
  2. Step 2: Convert to fraction form
    13,206,500.80/19,798,231.20 = 5,124,990.40/x
  3. Step 3: Cross multiply
    13,206,500.80x = 19,798,231.20 × 5,124,990.40
  4. Step 4: Simplify right side
    13,206,500.80x = 101,465,744,836,980.48
  5. Step 5: Solve for x
    x = 101,465,744,836,980.48/13,206,500.80
  6. Step 6: Final answer
    x = 7,683,015.08

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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.