Home / 7,913,429.71-11,863,943.30-3,124,703.43

Finding the Fourth Proportional to 7,913,429.71, 11,863,943.30 and 3,124,703.43

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Solution

The fourth proportional to 7,913,429.71, 11,863,943.30 and 3,124,703.43 is: 4,684,606.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,913,429.71 : 11,863,943.30 = 3,124,703.43 : x
  2. Step 2: Convert to fraction form
    7,913,429.71/11,863,943.30 = 3,124,703.43/x
  3. Step 3: Cross multiply
    7,913,429.71x = 11,863,943.30 × 3,124,703.43
  4. Step 4: Simplify right side
    7,913,429.71x = 37,071,304,330,647.28
  5. Step 5: Solve for x
    x = 37,071,304,330,647.28/7,913,429.71
  6. Step 6: Final answer
    x = 4,684,606.51

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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.