Home / 9,108,533.40-12,561,640.20-7,557,339.24

Finding the Fourth Proportional to 9,108,533.40, 12,561,640.20 and 7,557,339.24

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Solution

The fourth proportional to 9,108,533.40, 12,561,640.20 and 7,557,339.24 is: 10,422,377.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,108,533.40 : 12,561,640.20 = 7,557,339.24 : x
  2. Step 2: Convert to fraction form
    9,108,533.40/12,561,640.20 = 7,557,339.24/x
  3. Step 3: Cross multiply
    9,108,533.40x = 12,561,640.20 × 7,557,339.24
  4. Step 4: Simplify right side
    9,108,533.40x = 94,932,576,402,221.44
  5. Step 5: Solve for x
    x = 94,932,576,402,221.44/9,108,533.40
  6. Step 6: Final answer
    x = 10,422,377.81

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1.5x scale

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.