Home / 48,579,721.20-72,859,084.20-21,285,961.20

Finding the Fourth Proportional to 48,579,721.20, 72,859,084.20 and 21,285,961.20

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Solution

The fourth proportional to 48,579,721.20, 72,859,084.20 and 21,285,961.20 is: 31,924,342.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,579,721.20 : 72,859,084.20 = 21,285,961.20 : x
  2. Step 2: Convert to fraction form
    48,579,721.20/72,859,084.20 = 21,285,961.20/x
  3. Step 3: Cross multiply
    48,579,721.20x = 72,859,084.20 × 21,285,961.20
  4. Step 4: Simplify right side
    48,579,721.20x = 1,550,875,639,348,733
  5. Step 5: Solve for x
    x = 1,550,875,639,348,733/48,579,721.20
  6. Step 6: Final answer
    x = 31,924,342.11

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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.