Home / 13,875,281.82-19,145,604.78-8,714,967.84

Finding the Fourth Proportional to 13,875,281.82, 19,145,604.78 and 8,714,967.84

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Solution

The fourth proportional to 13,875,281.82, 19,145,604.78 and 8,714,967.84 is: 12,025,220.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,875,281.82 : 19,145,604.78 = 8,714,967.84 : x
  2. Step 2: Convert to fraction form
    13,875,281.82/19,145,604.78 = 8,714,967.84/x
  3. Step 3: Cross multiply
    13,875,281.82x = 19,145,604.78 × 8,714,967.84
  4. Step 4: Simplify right side
    13,875,281.82x = 166,853,329,935,050.28
  5. Step 5: Solve for x
    x = 166,853,329,935,050.28/13,875,281.82
  6. Step 6: Final answer
    x = 12,025,220.97

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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.