Home / 12,475,493.20-18,685,246.20-10,236,005.20

Finding the Fourth Proportional to 12,475,493.20, 18,685,246.20 and 10,236,005.20

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Solution

The fourth proportional to 12,475,493.20, 18,685,246.20 and 10,236,005.20 is: 15,331,039.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,475,493.20 : 18,685,246.20 = 10,236,005.20 : x
  2. Step 2: Convert to fraction form
    12,475,493.20/18,685,246.20 = 10,236,005.20/x
  3. Step 3: Cross multiply
    12,475,493.20x = 18,685,246.20 × 10,236,005.20
  4. Step 4: Simplify right side
    12,475,493.20x = 191,262,277,266,480.22
  5. Step 5: Solve for x
    x = 191,262,277,266,480.22/12,475,493.20
  6. Step 6: Final answer
    x = 15,331,039.36

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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.