Home / 12,127,366.05-18,164,477.03-6,440,947.35

Finding the Fourth Proportional to 12,127,366.05, 18,164,477.03 and 6,440,947.35

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Solution

The fourth proportional to 12,127,366.05, 18,164,477.03 and 6,440,947.35 is: 9,647,308.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,127,366.05 : 18,164,477.03 = 6,440,947.35 : x
  2. Step 2: Convert to fraction form
    12,127,366.05/18,164,477.03 = 6,440,947.35/x
  3. Step 3: Cross multiply
    12,127,366.05x = 18,164,477.03 × 6,440,947.35
  4. Step 4: Simplify right side
    12,127,366.05x = 116,996,440,158,309.62
  5. Step 5: Solve for x
    x = 116,996,440,158,309.62/12,127,366.05
  6. Step 6: Final answer
    x = 9,647,308.38

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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.