Home / 13,248,175.70-19,872,263.55-8,146,342.10

Finding the Fourth Proportional to 13,248,175.70, 19,872,263.55 and 8,146,342.10

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Solution

The fourth proportional to 13,248,175.70, 19,872,263.55 and 8,146,342.10 is: 12,219,513.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,248,175.70 : 19,872,263.55 = 8,146,342.10 : x
  2. Step 2: Convert to fraction form
    13,248,175.70/19,872,263.55 = 8,146,342.10/x
  3. Step 3: Cross multiply
    13,248,175.70x = 19,872,263.55 × 8,146,342.10
  4. Step 4: Simplify right side
    13,248,175.70x = 161,886,257,179,660.47
  5. Step 5: Solve for x
    x = 161,886,257,179,660.47/13,248,175.70
  6. Step 6: Final answer
    x = 12,219,513.15

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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.