Home / 12,721,342.08-19,033,861.50-7,536,736.20

Finding the Fourth Proportional to 12,721,342.08, 19,033,861.50 and 7,536,736.20

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Solution

The fourth proportional to 12,721,342.08, 19,033,861.50 and 7,536,736.20 is: 11,276,576.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,721,342.08 : 19,033,861.50 = 7,536,736.20 : x
  2. Step 2: Convert to fraction form
    12,721,342.08/19,033,861.50 = 7,536,736.20/x
  3. Step 3: Cross multiply
    12,721,342.08x = 19,033,861.50 × 7,536,736.20
  4. Step 4: Simplify right side
    12,721,342.08x = 143,453,192,992,836.31
  5. Step 5: Solve for x
    x = 143,453,192,992,836.31/12,721,342.08
  6. Step 6: Final answer
    x = 11,276,576.96

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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.