Home / 31,185,727.62-46,775,018.10-8,158,885.12

Finding the Fourth Proportional to 31,185,727.62, 46,775,018.10 and 8,158,885.12

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Solution

The fourth proportional to 31,185,727.62, 46,775,018.10 and 8,158,885.12 is: 12,237,392.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,185,727.62 : 46,775,018.10 = 8,158,885.12 : x
  2. Step 2: Convert to fraction form
    31,185,727.62/46,775,018.10 = 8,158,885.12/x
  3. Step 3: Cross multiply
    31,185,727.62x = 46,775,018.10 × 8,158,885.12
  4. Step 4: Simplify right side
    31,185,727.62x = 381,631,999,163,820.69
  5. Step 5: Solve for x
    x = 381,631,999,163,820.69/31,185,727.62
  6. Step 6: Final answer
    x = 12,237,392.82

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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.