Home / 8,305,005.30-12,461,007.15-4,521,203.70

Finding the Fourth Proportional to 8,305,005.30, 12,461,007.15 and 4,521,203.70

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Solution

The fourth proportional to 8,305,005.30, 12,461,007.15 and 4,521,203.70 is: 6,783,710.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,305,005.30 : 12,461,007.15 = 4,521,203.70 : x
  2. Step 2: Convert to fraction form
    8,305,005.30/12,461,007.15 = 4,521,203.70/x
  3. Step 3: Cross multiply
    8,305,005.30x = 12,461,007.15 × 4,521,203.70
  4. Step 4: Simplify right side
    8,305,005.30x = 56,338,751,632,306.46
  5. Step 5: Solve for x
    x = 56,338,751,632,306.46/8,305,005.30
  6. Step 6: Final answer
    x = 6,783,710.50

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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.