Home / 12,097,215.30-18,166,818.15-6,428,511.30

Finding the Fourth Proportional to 12,097,215.30, 18,166,818.15 and 6,428,511.30

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Solution

The fourth proportional to 12,097,215.30, 18,166,818.15 and 6,428,511.30 is: 9,653,923.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,097,215.30 : 18,166,818.15 = 6,428,511.30 : x
  2. Step 2: Convert to fraction form
    12,097,215.30/18,166,818.15 = 6,428,511.30/x
  3. Step 3: Cross multiply
    12,097,215.30x = 18,166,818.15 × 6,428,511.30
  4. Step 4: Simplify right side
    12,097,215.30x = 116,785,595,762,320.08
  5. Step 5: Solve for x
    x = 116,785,595,762,320.08/12,097,215.30
  6. Step 6: Final answer
    x = 9,653,923.89

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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.