Home / 14,276,914.40-21,371,631.60-7,867,546.40

Finding the Fourth Proportional to 14,276,914.40, 21,371,631.60 and 7,867,546.40

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Solution

The fourth proportional to 14,276,914.40, 21,371,631.60 and 7,867,546.40 is: 11,777,215.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,276,914.40 : 21,371,631.60 = 7,867,546.40 : x
  2. Step 2: Convert to fraction form
    14,276,914.40/21,371,631.60 = 7,867,546.40/x
  3. Step 3: Cross multiply
    14,276,914.40x = 21,371,631.60 × 7,867,546.40
  4. Step 4: Simplify right side
    14,276,914.40x = 168,142,303,256,706.25
  5. Step 5: Solve for x
    x = 168,142,303,256,706.25/14,276,914.40
  6. Step 6: Final answer
    x = 11,777,215.90

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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.