Home / 7,999,801.86-12,001,197.15-3,207,866.16

Finding the Fourth Proportional to 7,999,801.86, 12,001,197.15 and 3,207,866.16

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Solution

The fourth proportional to 7,999,801.86, 12,001,197.15 and 3,207,866.16 is: 4,812,398.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,999,801.86 : 12,001,197.15 = 3,207,866.16 : x
  2. Step 2: Convert to fraction form
    7,999,801.86/12,001,197.15 = 3,207,866.16/x
  3. Step 3: Cross multiply
    7,999,801.86x = 12,001,197.15 × 3,207,866.16
  4. Step 4: Simplify right side
    7,999,801.86x = 38,498,234,216,973.45
  5. Step 5: Solve for x
    x = 38,498,234,216,973.45/7,999,801.86
  6. Step 6: Final answer
    x = 4,812,398.47

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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.