Home / 20,046,140.88-30,060,179.64-11,962,848.72

Finding the Fourth Proportional to 20,046,140.88, 30,060,179.64 and 11,962,848.72

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Solution

The fourth proportional to 20,046,140.88, 30,060,179.64 and 11,962,848.72 is: 17,938,883.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,046,140.88 : 30,060,179.64 = 11,962,848.72 : x
  2. Step 2: Convert to fraction form
    20,046,140.88/30,060,179.64 = 11,962,848.72/x
  3. Step 3: Cross multiply
    20,046,140.88x = 30,060,179.64 × 11,962,848.72
  4. Step 4: Simplify right side
    20,046,140.88x = 359,605,381,529,344.06
  5. Step 5: Solve for x
    x = 359,605,381,529,344.06/20,046,140.88
  6. Step 6: Final answer
    x = 17,938,883.28

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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.