Home / 11,506,629.47-15,879,520.09-6,544,943.21

Finding the Fourth Proportional to 11,506,629.47, 15,879,520.09 and 6,544,943.21

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Solution

The fourth proportional to 11,506,629.47, 15,879,520.09 and 6,544,943.21 is: 9,032,232.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,506,629.47 : 15,879,520.09 = 6,544,943.21 : x
  2. Step 2: Convert to fraction form
    11,506,629.47/15,879,520.09 = 6,544,943.21/x
  3. Step 3: Cross multiply
    11,506,629.47x = 15,879,520.09 × 6,544,943.21
  4. Step 4: Simplify right side
    11,506,629.47x = 103,930,557,238,984.08
  5. Step 5: Solve for x
    x = 103,930,557,238,984.08/11,506,629.47
  6. Step 6: Final answer
    x = 9,032,232.90

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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.