Home / 39,285,225.64-54,214,904.10-21,643,192.36

Finding the Fourth Proportional to 39,285,225.64, 54,214,904.10 and 21,643,192.36

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Solution

The fourth proportional to 39,285,225.64, 54,214,904.10 and 21,643,192.36 is: 29,868,317.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,285,225.64 : 54,214,904.10 = 21,643,192.36 : x
  2. Step 2: Convert to fraction form
    39,285,225.64/54,214,904.10 = 21,643,192.36/x
  3. Step 3: Cross multiply
    39,285,225.64x = 54,214,904.10 × 21,643,192.36
  4. Step 4: Simplify right side
    39,285,225.64x = 1,173,383,598,215,252.75
  5. Step 5: Solve for x
    x = 1,173,383,598,215,252.75/39,285,225.64
  6. Step 6: Final answer
    x = 29,868,317.65

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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.