Home / 39,169,904.04-54,054,957.42-21,530,732.43

Finding the Fourth Proportional to 39,169,904.04, 54,054,957.42 and 21,530,732.43

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Solution

The fourth proportional to 39,169,904.04, 54,054,957.42 and 21,530,732.43 is: 29,712,680.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,169,904.04 : 54,054,957.42 = 21,530,732.43 : x
  2. Step 2: Convert to fraction form
    39,169,904.04/54,054,957.42 = 21,530,732.43/x
  3. Step 3: Cross multiply
    39,169,904.04x = 54,054,957.42 × 21,530,732.43
  4. Step 4: Simplify right side
    39,169,904.04x = 1,163,842,824,725,063.25
  5. Step 5: Solve for x
    x = 1,163,842,824,725,063.25/39,169,904.04
  6. Step 6: Final answer
    x = 29,712,680.01

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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.