Home / 18,712,449.72-25,823,259.18-10,127,745.72

Finding the Fourth Proportional to 18,712,449.72, 25,823,259.18 and 10,127,745.72

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Solution

The fourth proportional to 18,712,449.72, 25,823,259.18 and 10,127,745.72 is: 13,976,331.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,712,449.72 : 25,823,259.18 = 10,127,745.72 : x
  2. Step 2: Convert to fraction form
    18,712,449.72/25,823,259.18 = 10,127,745.72/x
  3. Step 3: Cross multiply
    18,712,449.72x = 25,823,259.18 × 10,127,745.72
  4. Step 4: Simplify right side
    18,712,449.72x = 261,531,402,636,695.72
  5. Step 5: Solve for x
    x = 261,531,402,636,695.72/18,712,449.72
  6. Step 6: Final answer
    x = 13,976,331.62

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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.