Home / 39,133,747.62-54,005,929.88-21,730,383.50

Finding the Fourth Proportional to 39,133,747.62, 54,005,929.88 and 21,730,383.50

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Solution

The fourth proportional to 39,133,747.62, 54,005,929.88 and 21,730,383.50 is: 29,988,683.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,133,747.62 : 54,005,929.88 = 21,730,383.50 : x
  2. Step 2: Convert to fraction form
    39,133,747.62/54,005,929.88 = 21,730,383.50/x
  3. Step 3: Cross multiply
    39,133,747.62x = 54,005,929.88 × 21,730,383.50
  4. Step 4: Simplify right side
    39,133,747.62x = 1,173,569,567,187,827.50
  5. Step 5: Solve for x
    x = 1,173,569,567,187,827.50/39,133,747.62
  6. Step 6: Final answer
    x = 29,988,683.39

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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.