Home / 10,739,920.60-16,128,543.30-10,403,997.40

Finding the Fourth Proportional to 10,739,920.60, 16,128,543.30 and 10,403,997.40

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Solution

The fourth proportional to 10,739,920.60, 16,128,543.30 and 10,403,997.40 is: 15,624,074.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,739,920.60 : 16,128,543.30 = 10,403,997.40 : x
  2. Step 2: Convert to fraction form
    10,739,920.60/16,128,543.30 = 10,403,997.40/x
  3. Step 3: Cross multiply
    10,739,920.60x = 16,128,543.30 × 10,403,997.40
  4. Step 4: Simplify right side
    10,739,920.60x = 167,801,322,558,987.44
  5. Step 5: Solve for x
    x = 167,801,322,558,987.44/10,739,920.60
  6. Step 6: Final answer
    x = 15,624,074.78

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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.