Home / 48,579,712.20-72,859,070.70-21,285,952.20

Finding the Fourth Proportional to 48,579,712.20, 72,859,070.70 and 21,285,952.20

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Solution

The fourth proportional to 48,579,712.20, 72,859,070.70 and 21,285,952.20 is: 31,924,328.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,579,712.20 : 72,859,070.70 = 21,285,952.20 : x
  2. Step 2: Convert to fraction form
    48,579,712.20/72,859,070.70 = 21,285,952.20/x
  3. Step 3: Cross multiply
    48,579,712.20x = 72,859,070.70 × 21,285,952.20
  4. Step 4: Simplify right side
    48,579,712.20x = 1,550,874,696,256,620.50
  5. Step 5: Solve for x
    x = 1,550,874,696,256,620.50/48,579,712.20
  6. Step 6: Final answer
    x = 31,924,328.61

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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.