Home / 12,755,351.81-19,127,398.93-3,655,384.20

Finding the Fourth Proportional to 12,755,351.81, 19,127,398.93 and 3,655,384.20

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Solution

The fourth proportional to 12,755,351.81, 19,127,398.93 and 3,655,384.20 is: 5,481,463.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,755,351.81 : 19,127,398.93 = 3,655,384.20 : x
  2. Step 2: Convert to fraction form
    12,755,351.81/19,127,398.93 = 3,655,384.20/x
  3. Step 3: Cross multiply
    12,755,351.81x = 19,127,398.93 × 3,655,384.20
  4. Step 4: Simplify right side
    12,755,351.81x = 69,917,991,826,680.45
  5. Step 5: Solve for x
    x = 69,917,991,826,680.45/12,755,351.81
  6. Step 6: Final answer
    x = 5,481,463.22

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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.