Home / 13,257,979.92-19,887,810.44-4,160,436.58

Finding the Fourth Proportional to 13,257,979.92, 19,887,810.44 and 4,160,436.58

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Solution

The fourth proportional to 13,257,979.92, 19,887,810.44 and 4,160,436.58 is: 6,240,918.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,257,979.92 : 19,887,810.44 = 4,160,436.58 : x
  2. Step 2: Convert to fraction form
    13,257,979.92/19,887,810.44 = 4,160,436.58/x
  3. Step 3: Cross multiply
    13,257,979.92x = 19,887,810.44 × 4,160,436.58
  4. Step 4: Simplify right side
    13,257,979.92x = 82,741,974,050,681.91
  5. Step 5: Solve for x
    x = 82,741,974,050,681.91/13,257,979.92
  6. Step 6: Final answer
    x = 6,240,918.64

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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.