Home / 12,037,921.05-18,046,252.52-9,210,654.93

Finding the Fourth Proportional to 12,037,921.05, 18,046,252.52 and 9,210,654.93

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Solution

The fourth proportional to 12,037,921.05, 18,046,252.52 and 9,210,654.93 is: 13,807,849.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,037,921.05 : 18,046,252.52 = 9,210,654.93 : x
  2. Step 2: Convert to fraction form
    12,037,921.05/18,046,252.52 = 9,210,654.93/x
  3. Step 3: Cross multiply
    12,037,921.05x = 18,046,252.52 × 9,210,654.93
  4. Step 4: Simplify right side
    12,037,921.05x = 166,217,804,741,362.91
  5. Step 5: Solve for x
    x = 166,217,804,741,362.91/12,037,921.05
  6. Step 6: Final answer
    x = 13,807,849.72

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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.