Home / 12,405,267.45-17,117,958.83-6,897,753.86

Finding the Fourth Proportional to 12,405,267.45, 17,117,958.83 and 6,897,753.86

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Solution

The fourth proportional to 12,405,267.45, 17,117,958.83 and 6,897,753.86 is: 9,518,171.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,405,267.45 : 17,117,958.83 = 6,897,753.86 : x
  2. Step 2: Convert to fraction form
    12,405,267.45/17,117,958.83 = 6,897,753.86/x
  3. Step 3: Cross multiply
    12,405,267.45x = 17,117,958.83 × 6,897,753.86
  4. Step 4: Simplify right side
    12,405,267.45x = 118,075,466,474,875.02
  5. Step 5: Solve for x
    x = 118,075,466,474,875.02/12,405,267.45
  6. Step 6: Final answer
    x = 9,518,171.77

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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.