Home / 12,241,970.04-16,867,128.78-8,104,982.52

Finding the Fourth Proportional to 12,241,970.04, 16,867,128.78 and 8,104,982.52

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Solution

The fourth proportional to 12,241,970.04, 16,867,128.78 and 8,104,982.52 is: 11,167,139.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,241,970.04 : 16,867,128.78 = 8,104,982.52 : x
  2. Step 2: Convert to fraction form
    12,241,970.04/16,867,128.78 = 8,104,982.52/x
  3. Step 3: Cross multiply
    12,241,970.04x = 16,867,128.78 × 8,104,982.52
  4. Step 4: Simplify right side
    12,241,970.04x = 136,707,783,924,488.92
  5. Step 5: Solve for x
    x = 136,707,783,924,488.92/12,241,970.04
  6. Step 6: Final answer
    x = 11,167,139.23

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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.