Home / 7,250,490.64-10,005,934.04-3,987,557.64

Finding the Fourth Proportional to 7,250,490.64, 10,005,934.04 and 3,987,557.64

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Solution

The fourth proportional to 7,250,490.64, 10,005,934.04 and 3,987,557.64 is: 5,502,970.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,250,490.64 : 10,005,934.04 = 3,987,557.64 : x
  2. Step 2: Convert to fraction form
    7,250,490.64/10,005,934.04 = 3,987,557.64/x
  3. Step 3: Cross multiply
    7,250,490.64x = 10,005,934.04 × 3,987,557.64
  4. Step 4: Simplify right side
    7,250,490.64x = 39,899,238,726,538.06
  5. Step 5: Solve for x
    x = 39,899,238,726,538.06/7,250,490.64
  6. Step 6: Final answer
    x = 5,502,970.86

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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.