Home / 14,256,015.60-21,379,876.20-7,869,327.60

Finding the Fourth Proportional to 14,256,015.60, 21,379,876.20 and 7,869,327.60

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Solution

The fourth proportional to 14,256,015.60, 21,379,876.20 and 7,869,327.60 is: 11,801,702.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,256,015.60 : 21,379,876.20 = 7,869,327.60 : x
  2. Step 2: Convert to fraction form
    14,256,015.60/21,379,876.20 = 7,869,327.60/x
  3. Step 3: Cross multiply
    14,256,015.60x = 21,379,876.20 × 7,869,327.60
  4. Step 4: Simplify right side
    14,256,015.60x = 168,245,249,865,243.09
  5. Step 5: Solve for x
    x = 168,245,249,865,243.09/14,256,015.60
  6. Step 6: Final answer
    x = 11,801,702.14

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1.5x scale

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.