Home / 15,391,976.40-23,072,736.60-7,290,712.80

Finding the Fourth Proportional to 15,391,976.40, 23,072,736.60 and 7,290,712.80

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Solution

The fourth proportional to 15,391,976.40, 23,072,736.60 and 7,290,712.80 is: 10,928,856.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,391,976.40 : 23,072,736.60 = 7,290,712.80 : x
  2. Step 2: Convert to fraction form
    15,391,976.40/23,072,736.60 = 7,290,712.80/x
  3. Step 3: Cross multiply
    15,391,976.40x = 23,072,736.60 × 7,290,712.80
  4. Step 4: Simplify right side
    15,391,976.40x = 168,216,696,060,648.50
  5. Step 5: Solve for x
    x = 168,216,696,060,648.50/15,391,976.40
  6. Step 6: Final answer
    x = 10,928,856.16

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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.