Home / 31,101,101.61-46,651,486.34-8,072,019.29

Finding the Fourth Proportional to 31,101,101.61, 46,651,486.34 and 8,072,019.29

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Solution

The fourth proportional to 31,101,101.61, 46,651,486.34 and 8,072,019.29 is: 12,107,985.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,101,101.61 : 46,651,486.34 = 8,072,019.29 : x
  2. Step 2: Convert to fraction form
    31,101,101.61/46,651,486.34 = 8,072,019.29/x
  3. Step 3: Cross multiply
    31,101,101.61x = 46,651,486.34 × 8,072,019.29
  4. Step 4: Simplify right side
    31,101,101.61x = 376,571,697,643,651.50
  5. Step 5: Solve for x
    x = 376,571,697,643,651.50/31,101,101.61
  6. Step 6: Final answer
    x = 12,107,985.83

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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.