Home / 10,138,363.70-15,208,480.47-3,314,971.88

Finding the Fourth Proportional to 10,138,363.70, 15,208,480.47 and 3,314,971.88

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Solution

The fourth proportional to 10,138,363.70, 15,208,480.47 and 3,314,971.88 is: 4,972,763.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,138,363.70 : 15,208,480.47 = 3,314,971.88 : x
  2. Step 2: Convert to fraction form
    10,138,363.70/15,208,480.47 = 3,314,971.88/x
  3. Step 3: Cross multiply
    10,138,363.70x = 15,208,480.47 × 3,314,971.88
  4. Step 4: Simplify right side
    10,138,363.70x = 50,415,685,088,999.73
  5. Step 5: Solve for x
    x = 50,415,685,088,999.73/10,138,363.70
  6. Step 6: Final answer
    x = 4,972,763.52

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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.