Home / 8,196,631.40-12,302,382.90-4,155,930.20

Finding the Fourth Proportional to 8,196,631.40, 12,302,382.90 and 4,155,930.20

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Solution

The fourth proportional to 8,196,631.40, 12,302,382.90 and 4,155,930.20 is: 6,237,665.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,196,631.40 : 12,302,382.90 = 4,155,930.20 : x
  2. Step 2: Convert to fraction form
    8,196,631.40/12,302,382.90 = 4,155,930.20/x
  3. Step 3: Cross multiply
    8,196,631.40x = 12,302,382.90 × 4,155,930.20
  4. Step 4: Simplify right side
    8,196,631.40x = 51,127,844,626,073.59
  5. Step 5: Solve for x
    x = 51,127,844,626,073.59/8,196,631.40
  6. Step 6: Final answer
    x = 6,237,665.47

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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.