Home / 12,103,923.30-18,176,880.15-6,435,219.30

Finding the Fourth Proportional to 12,103,923.30, 18,176,880.15 and 6,435,219.30

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Solution

The fourth proportional to 12,103,923.30, 18,176,880.15 and 6,435,219.30 is: 9,663,991.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,103,923.30 : 18,176,880.15 = 6,435,219.30 : x
  2. Step 2: Convert to fraction form
    12,103,923.30/18,176,880.15 = 6,435,219.30/x
  3. Step 3: Cross multiply
    12,103,923.30x = 18,176,880.15 × 6,435,219.30
  4. Step 4: Simplify right side
    12,103,923.30x = 116,972,209,955,066.88
  5. Step 5: Solve for x
    x = 116,972,209,955,066.88/12,103,923.30
  6. Step 6: Final answer
    x = 9,663,991.34

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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.