Home / 12,296,045.70-18,444,068.55-8,049,312.90

Finding the Fourth Proportional to 12,296,045.70, 18,444,068.55 and 8,049,312.90

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Solution

The fourth proportional to 12,296,045.70, 18,444,068.55 and 8,049,312.90 is: 12,073,969.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,296,045.70 : 18,444,068.55 = 8,049,312.90 : x
  2. Step 2: Convert to fraction form
    12,296,045.70/18,444,068.55 = 8,049,312.90/x
  3. Step 3: Cross multiply
    12,296,045.70x = 18,444,068.55 × 8,049,312.90
  4. Step 4: Simplify right side
    12,296,045.70x = 148,462,078,907,999.31
  5. Step 5: Solve for x
    x = 148,462,078,907,999.31/12,296,045.70
  6. Step 6: Final answer
    x = 12,073,969.35

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Similar ratio
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1.5x scale

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.