Home / 10,269,859.28-14,172,848.28-5,686,180.40

Finding the Fourth Proportional to 10,269,859.28, 14,172,848.28 and 5,686,180.40

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Solution

The fourth proportional to 10,269,859.28, 14,172,848.28 and 5,686,180.40 is: 7,847,173.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,269,859.28 : 14,172,848.28 = 5,686,180.40 : x
  2. Step 2: Convert to fraction form
    10,269,859.28/14,172,848.28 = 5,686,180.40/x
  3. Step 3: Cross multiply
    10,269,859.28x = 14,172,848.28 × 5,686,180.40
  4. Step 4: Simplify right side
    10,269,859.28x = 80,589,372,101,909.72
  5. Step 5: Solve for x
    x = 80,589,372,101,909.72/10,269,859.28
  6. Step 6: Final answer
    x = 7,847,173.94

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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.