Home / 15,380,139.96-21,217,366.56-10,970,840.16

Finding the Fourth Proportional to 15,380,139.96, 21,217,366.56 and 10,970,840.16

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Solution

The fourth proportional to 15,380,139.96, 21,217,366.56 and 10,970,840.16 is: 15,134,604.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,380,139.96 : 21,217,366.56 = 10,970,840.16 : x
  2. Step 2: Convert to fraction form
    15,380,139.96/21,217,366.56 = 10,970,840.16/x
  3. Step 3: Cross multiply
    15,380,139.96x = 21,217,366.56 × 10,970,840.16
  4. Step 4: Simplify right side
    15,380,139.96x = 232,772,337,145,889.03
  5. Step 5: Solve for x
    x = 232,772,337,145,889.03/15,380,139.96
  6. Step 6: Final answer
    x = 15,134,604.61

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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.