Home / 10,378,015.48-15,567,022.40-5,259,648.16

Finding the Fourth Proportional to 10,378,015.48, 15,567,022.40 and 5,259,648.16

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Solution

The fourth proportional to 10,378,015.48, 15,567,022.40 and 5,259,648.16 is: 7,889,471.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,378,015.48 : 15,567,022.40 = 5,259,648.16 : x
  2. Step 2: Convert to fraction form
    10,378,015.48/15,567,022.40 = 5,259,648.16/x
  3. Step 3: Cross multiply
    10,378,015.48x = 15,567,022.40 × 5,259,648.16
  4. Step 4: Simplify right side
    10,378,015.48x = 81,877,060,645,003.67
  5. Step 5: Solve for x
    x = 81,877,060,645,003.67/10,378,015.48
  6. Step 6: Final answer
    x = 7,889,471.82

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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.