Home / 14,001,947.40-20,960,930.70-8,319,246.60

Finding the Fourth Proportional to 14,001,947.40, 20,960,930.70 and 8,319,246.60

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Solution

The fourth proportional to 14,001,947.40, 20,960,930.70 and 8,319,246.60 is: 12,453,921.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,001,947.40 : 20,960,930.70 = 8,319,246.60 : x
  2. Step 2: Convert to fraction form
    14,001,947.40/20,960,930.70 = 8,319,246.60/x
  3. Step 3: Cross multiply
    14,001,947.40x = 20,960,930.70 × 8,319,246.60
  4. Step 4: Simplify right side
    14,001,947.40x = 174,379,151,458,810.59
  5. Step 5: Solve for x
    x = 174,379,151,458,810.59/14,001,947.40
  6. Step 6: Final answer
    x = 12,453,921.34

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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.