Home / 13,124,966.55-18,112,455.42-7,244,602.73

Finding the Fourth Proportional to 13,124,966.55, 18,112,455.42 and 7,244,602.73

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Solution

The fourth proportional to 13,124,966.55, 18,112,455.42 and 7,244,602.73 is: 9,997,552.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,124,966.55 : 18,112,455.42 = 7,244,602.73 : x
  2. Step 2: Convert to fraction form
    13,124,966.55/18,112,455.42 = 7,244,602.73/x
  3. Step 3: Cross multiply
    13,124,966.55x = 18,112,455.42 × 7,244,602.73
  4. Step 4: Simplify right side
    13,124,966.55x = 131,217,544,007,115
  5. Step 5: Solve for x
    x = 131,217,544,007,115/13,124,966.55
  6. Step 6: Final answer
    x = 9,997,552.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.