Home / 7,136,973.72-9,849,033.66-3,873,789.12

Finding the Fourth Proportional to 7,136,973.72, 9,849,033.66 and 3,873,789.12

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Solution

The fourth proportional to 7,136,973.72, 9,849,033.66 and 3,873,789.12 is: 5,345,834.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,136,973.72 : 9,849,033.66 = 3,873,789.12 : x
  2. Step 2: Convert to fraction form
    7,136,973.72/9,849,033.66 = 3,873,789.12/x
  3. Step 3: Cross multiply
    7,136,973.72x = 9,849,033.66 × 3,873,789.12
  4. Step 4: Simplify right side
    7,136,973.72x = 38,153,079,434,621.78
  5. Step 5: Solve for x
    x = 38,153,079,434,621.78/7,136,973.72
  6. Step 6: Final answer
    x = 5,345,834.37

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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.