Home / 14,655,961.62-20,225,551.26-8,129,378.52

Finding the Fourth Proportional to 14,655,961.62, 20,225,551.26 and 8,129,378.52

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Solution

The fourth proportional to 14,655,961.62, 20,225,551.26 and 8,129,378.52 is: 11,218,722.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,655,961.62 : 20,225,551.26 = 8,129,378.52 : x
  2. Step 2: Convert to fraction form
    14,655,961.62/20,225,551.26 = 8,129,378.52/x
  3. Step 3: Cross multiply
    14,655,961.62x = 20,225,551.26 × 8,129,378.52
  4. Step 4: Simplify right side
    14,655,961.62x = 164,421,161,968,202.94
  5. Step 5: Solve for x
    x = 164,421,161,968,202.94/14,655,961.62
  6. Step 6: Final answer
    x = 11,218,722.20

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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.