Home / 13,179,007.80-19,766,689.20-4,087,357.20

Finding the Fourth Proportional to 13,179,007.80, 19,766,689.20 and 4,087,357.20

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Solution

The fourth proportional to 13,179,007.80, 19,766,689.20 and 4,087,357.20 is: 6,130,470.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,179,007.80 : 19,766,689.20 = 4,087,357.20 : x
  2. Step 2: Convert to fraction form
    13,179,007.80/19,766,689.20 = 4,087,357.20/x
  3. Step 3: Cross multiply
    13,179,007.80x = 19,766,689.20 × 4,087,357.20
  4. Step 4: Simplify right side
    13,179,007.80x = 80,793,519,421,782.23
  5. Step 5: Solve for x
    x = 80,793,519,421,782.23/13,179,007.80
  6. Step 6: Final answer
    x = 6,130,470.57

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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.