Home / 7,159,048.31-9,879,488.33-3,939,784.31

Finding the Fourth Proportional to 7,159,048.31, 9,879,488.33 and 3,939,784.31

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Solution

The fourth proportional to 7,159,048.31, 9,879,488.33 and 3,939,784.31 is: 5,436,903.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,159,048.31 : 9,879,488.33 = 3,939,784.31 : x
  2. Step 2: Convert to fraction form
    7,159,048.31/9,879,488.33 = 3,939,784.31/x
  3. Step 3: Cross multiply
    7,159,048.31x = 9,879,488.33 × 3,939,784.31
  4. Step 4: Simplify right side
    7,159,048.31x = 38,923,053,118,361.90
  5. Step 5: Solve for x
    x = 38,923,053,118,361.90/7,159,048.31
  6. Step 6: Final answer
    x = 5,436,903.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.