Home / 14,017,652.40-21,003,843.15-7,934,293.20

Finding the Fourth Proportional to 14,017,652.40, 21,003,843.15 and 7,934,293.20

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Solution

The fourth proportional to 14,017,652.40, 21,003,843.15 and 7,934,293.20 is: 11,888,627.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,017,652.40 : 21,003,843.15 = 7,934,293.20 : x
  2. Step 2: Convert to fraction form
    14,017,652.40/21,003,843.15 = 7,934,293.20/x
  3. Step 3: Cross multiply
    14,017,652.40x = 21,003,843.15 × 7,934,293.20
  4. Step 4: Simplify right side
    14,017,652.40x = 166,650,649,878,911.56
  5. Step 5: Solve for x
    x = 166,650,649,878,911.56/14,017,652.40
  6. Step 6: Final answer
    x = 11,888,627.65

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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.