Home / 12,558,905.10-18,838,357.65-3,103,289.10

Finding the Fourth Proportional to 12,558,905.10, 18,838,357.65 and 3,103,289.10

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Solution

The fourth proportional to 12,558,905.10, 18,838,357.65 and 3,103,289.10 is: 4,654,933.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,558,905.10 : 18,838,357.65 = 3,103,289.10 : x
  2. Step 2: Convert to fraction form
    12,558,905.10/18,838,357.65 = 3,103,289.10/x
  3. Step 3: Cross multiply
    12,558,905.10x = 18,838,357.65 × 3,103,289.10
  4. Step 4: Simplify right side
    12,558,905.10x = 58,460,869,957,146.61
  5. Step 5: Solve for x
    x = 58,460,869,957,146.61/12,558,905.10
  6. Step 6: Final answer
    x = 4,654,933.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.