Home / 13,858,412.82-19,124,733.47-7,663,876.40

Finding the Fourth Proportional to 13,858,412.82, 19,124,733.47 and 7,663,876.40

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Solution

The fourth proportional to 13,858,412.82, 19,124,733.47 and 7,663,876.40 is: 10,576,217.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,858,412.82 : 19,124,733.47 = 7,663,876.40 : x
  2. Step 2: Convert to fraction form
    13,858,412.82/19,124,733.47 = 7,663,876.40/x
  3. Step 3: Cross multiply
    13,858,412.82x = 19,124,733.47 × 7,663,876.40
  4. Step 4: Simplify right side
    13,858,412.82x = 146,569,593,363,080.06
  5. Step 5: Solve for x
    x = 146,569,593,363,080.06/13,858,412.82
  6. Step 6: Final answer
    x = 10,576,217.87

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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.