Home / 39,353,604.47-54,308,162.84-21,712,506.15

Finding the Fourth Proportional to 39,353,604.47, 54,308,162.84 and 21,712,506.15

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Solution

The fourth proportional to 39,353,604.47, 54,308,162.84 and 21,712,506.15 is: 29,963,362.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,353,604.47 : 54,308,162.84 = 21,712,506.15 : x
  2. Step 2: Convert to fraction form
    39,353,604.47/54,308,162.84 = 21,712,506.15/x
  3. Step 3: Cross multiply
    39,353,604.47x = 54,308,162.84 × 21,712,506.15
  4. Step 4: Simplify right side
    39,353,604.47x = 1,179,166,319,550,138.75
  5. Step 5: Solve for x
    x = 1,179,166,319,550,138.75/39,353,604.47
  6. Step 6: Final answer
    x = 29,963,362.58

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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.