Home / 13,858,345.15-19,124,640.16-7,663,808.61

Finding the Fourth Proportional to 13,858,345.15, 19,124,640.16 and 7,663,808.61

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Solution

The fourth proportional to 13,858,345.15, 19,124,640.16 and 7,663,808.61 is: 10,576,124.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,858,345.15 : 19,124,640.16 = 7,663,808.61 : x
  2. Step 2: Convert to fraction form
    13,858,345.15/19,124,640.16 = 7,663,808.61/x
  3. Step 3: Cross multiply
    13,858,345.15x = 19,124,640.16 × 7,663,808.61
  4. Step 4: Simplify right side
    13,858,345.15x = 146,567,581,918,410.38
  5. Step 5: Solve for x
    x = 146,567,581,918,410.38/13,858,345.15
  6. Step 6: Final answer
    x = 10,576,124.37

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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.