Home / 12,979,037.52-19,469,008.92-4,459,312.08

Finding the Fourth Proportional to 12,979,037.52, 19,469,008.92 and 4,459,312.08

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Solution

The fourth proportional to 12,979,037.52, 19,469,008.92 and 4,459,312.08 is: 6,689,123.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,979,037.52 : 19,469,008.92 = 4,459,312.08 : x
  2. Step 2: Convert to fraction form
    12,979,037.52/19,469,008.92 = 4,459,312.08/x
  3. Step 3: Cross multiply
    12,979,037.52x = 19,469,008.92 × 4,459,312.08
  4. Step 4: Simplify right side
    12,979,037.52x = 86,818,386,662,583.77
  5. Step 5: Solve for x
    x = 86,818,386,662,583.77/12,979,037.52
  6. Step 6: Final answer
    x = 6,689,123.64

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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.