Home / 31,257,999.45-46,886,999.18-8,538,896.70

Finding the Fourth Proportional to 31,257,999.45, 46,886,999.18 and 8,538,896.70

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Solution

The fourth proportional to 31,257,999.45, 46,886,999.18 and 8,538,896.70 is: 12,808,345.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,257,999.45 : 46,886,999.18 = 8,538,896.70 : x
  2. Step 2: Convert to fraction form
    31,257,999.45/46,886,999.18 = 8,538,896.70/x
  3. Step 3: Cross multiply
    31,257,999.45x = 46,886,999.18 × 8,538,896.70
  4. Step 4: Simplify right side
    31,257,999.45x = 400,363,242,528,310.19
  5. Step 5: Solve for x
    x = 400,363,242,528,310.19/31,257,999.45
  6. Step 6: Final answer
    x = 12,808,345.05

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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.