Home / 12,677,331.47-19,016,324.78-3,455,379.81

Finding the Fourth Proportional to 12,677,331.47, 19,016,324.78 and 3,455,379.81

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Solution

The fourth proportional to 12,677,331.47, 19,016,324.78 and 3,455,379.81 is: 5,183,159.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,677,331.47 : 19,016,324.78 = 3,455,379.81 : x
  2. Step 2: Convert to fraction form
    12,677,331.47/19,016,324.78 = 3,455,379.81/x
  3. Step 3: Cross multiply
    12,677,331.47x = 19,016,324.78 × 3,455,379.81
  4. Step 4: Simplify right side
    12,677,331.47x = 65,708,624,687,937.79
  5. Step 5: Solve for x
    x = 65,708,624,687,937.79/12,677,331.47
  6. Step 6: Final answer
    x = 5,183,159.00

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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.