Home / 8,208,005.20-12,312,007.80-3,414,101.20

Finding the Fourth Proportional to 8,208,005.20, 12,312,007.80 and 3,414,101.20

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Solution

The fourth proportional to 8,208,005.20, 12,312,007.80 and 3,414,101.20 is: 5,121,151.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,208,005.20 : 12,312,007.80 = 3,414,101.20 : x
  2. Step 2: Convert to fraction form
    8,208,005.20/12,312,007.80 = 3,414,101.20/x
  3. Step 3: Cross multiply
    8,208,005.20x = 12,312,007.80 × 3,414,101.20
  4. Step 4: Simplify right side
    8,208,005.20x = 42,034,440,604,389.37
  5. Step 5: Solve for x
    x = 42,034,440,604,389.37/8,208,005.20
  6. Step 6: Final answer
    x = 5,121,151.80

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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.