Home / 12,318,452.06-16,999,573.84-6,812,199.50

Finding the Fourth Proportional to 12,318,452.06, 16,999,573.84 and 6,812,199.50

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Solution

The fourth proportional to 12,318,452.06, 16,999,573.84 and 6,812,199.50 is: 9,400,896.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,318,452.06 : 16,999,573.84 = 6,812,199.50 : x
  2. Step 2: Convert to fraction form
    12,318,452.06/16,999,573.84 = 6,812,199.50/x
  3. Step 3: Cross multiply
    12,318,452.06x = 16,999,573.84 × 6,812,199.50
  4. Step 4: Simplify right side
    12,318,452.06x = 115,804,488,413,061.08
  5. Step 5: Solve for x
    x = 115,804,488,413,061.08/12,318,452.06
  6. Step 6: Final answer
    x = 9,400,896.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.