Home / 12,516,520.70-17,270,825.57-7,290,388.95

Finding the Fourth Proportional to 12,516,520.70, 17,270,825.57 and 7,290,388.95

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Solution

The fourth proportional to 12,516,520.70, 17,270,825.57 and 7,290,388.95 is: 10,059,587.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,516,520.70 : 17,270,825.57 = 7,290,388.95 : x
  2. Step 2: Convert to fraction form
    12,516,520.70/17,270,825.57 = 7,290,388.95/x
  3. Step 3: Cross multiply
    12,516,520.70x = 17,270,825.57 × 7,290,388.95
  4. Step 4: Simplify right side
    12,516,520.70x = 125,911,035,892,905.45
  5. Step 5: Solve for x
    x = 125,911,035,892,905.45/12,516,520.70
  6. Step 6: Final answer
    x = 10,059,587.56

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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.