Home / 10,720,427.28-14,794,141.08-5,825,556.78

Finding the Fourth Proportional to 10,720,427.28, 14,794,141.08 and 5,825,556.78

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Solution

The fourth proportional to 10,720,427.28, 14,794,141.08 and 5,825,556.78 is: 8,039,241.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,720,427.28 : 14,794,141.08 = 5,825,556.78 : x
  2. Step 2: Convert to fraction form
    10,720,427.28/14,794,141.08 = 5,825,556.78/x
  3. Step 3: Cross multiply
    10,720,427.28x = 14,794,141.08 × 5,825,556.78
  4. Step 4: Simplify right side
    10,720,427.28x = 86,184,108,872,870.53
  5. Step 5: Solve for x
    x = 86,184,108,872,870.53/10,720,427.28
  6. Step 6: Final answer
    x = 8,039,241.97

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1.5x scale

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.