Home / 21,936,035.77-30,271,359.66-12,146,269.70

Finding the Fourth Proportional to 21,936,035.77, 30,271,359.66 and 12,146,269.70

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Solution

The fourth proportional to 21,936,035.77, 30,271,359.66 and 12,146,269.70 is: 16,761,647.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,936,035.77 : 30,271,359.66 = 12,146,269.70 : x
  2. Step 2: Convert to fraction form
    21,936,035.77/30,271,359.66 = 12,146,269.70/x
  3. Step 3: Cross multiply
    21,936,035.77x = 30,271,359.66 × 12,146,269.70
  4. Step 4: Simplify right side
    21,936,035.77x = 367,684,098,616,060.31
  5. Step 5: Solve for x
    x = 367,684,098,616,060.31/21,936,035.77
  6. Step 6: Final answer
    x = 16,761,647.48

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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.