Home / 12,237,815.70-18,363,721.95-8,454,014.10

Finding the Fourth Proportional to 12,237,815.70, 18,363,721.95 and 8,454,014.10

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Solution

The fourth proportional to 12,237,815.70, 18,363,721.95 and 8,454,014.10 is: 12,685,855.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,237,815.70 : 18,363,721.95 = 8,454,014.10 : x
  2. Step 2: Convert to fraction form
    12,237,815.70/18,363,721.95 = 8,454,014.10/x
  3. Step 3: Cross multiply
    12,237,815.70x = 18,363,721.95 × 8,454,014.10
  4. Step 4: Simplify right side
    12,237,815.70x = 155,247,164,293,779.47
  5. Step 5: Solve for x
    x = 155,247,164,293,779.47/12,237,815.70
  6. Step 6: Final answer
    x = 12,685,855.72

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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.