Home / 9,720,995.28-13,415,381.08-5,591,027.58

Finding the Fourth Proportional to 9,720,995.28, 13,415,381.08 and 5,591,027.58

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Solution

The fourth proportional to 9,720,995.28, 13,415,381.08 and 5,591,027.58 is: 7,715,852.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,720,995.28 : 13,415,381.08 = 5,591,027.58 : x
  2. Step 2: Convert to fraction form
    9,720,995.28/13,415,381.08 = 5,591,027.58/x
  3. Step 3: Cross multiply
    9,720,995.28x = 13,415,381.08 × 5,591,027.58
  4. Step 4: Simplify right side
    9,720,995.28x = 75,005,765,614,490.19
  5. Step 5: Solve for x
    x = 75,005,765,614,490.19/9,720,995.28
  6. Step 6: Final answer
    x = 7,715,852.49

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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.