Home / 48,072,436.51-72,108,654.77-11,680,639.87

Finding the Fourth Proportional to 48,072,436.51, 72,108,654.77 and 11,680,639.87

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Solution

The fourth proportional to 48,072,436.51, 72,108,654.77 and 11,680,639.87 is: 17,520,959.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,072,436.51 : 72,108,654.77 = 11,680,639.87 : x
  2. Step 2: Convert to fraction form
    48,072,436.51/72,108,654.77 = 11,680,639.87/x
  3. Step 3: Cross multiply
    48,072,436.51x = 72,108,654.77 × 11,680,639.87
  4. Step 4: Simplify right side
    48,072,436.51x = 842,275,227,878,527.62
  5. Step 5: Solve for x
    x = 842,275,227,878,527.62/48,072,436.51
  6. Step 6: Final answer
    x = 17,520,959.81

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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.