Home / 10,881,610.60-16,322,415.90-8,990,487.40

Finding the Fourth Proportional to 10,881,610.60, 16,322,415.90 and 8,990,487.40

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Solution

The fourth proportional to 10,881,610.60, 16,322,415.90 and 8,990,487.40 is: 13,485,731.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,881,610.60 : 16,322,415.90 = 8,990,487.40 : x
  2. Step 2: Convert to fraction form
    10,881,610.60/16,322,415.90 = 8,990,487.40/x
  3. Step 3: Cross multiply
    10,881,610.60x = 16,322,415.90 × 8,990,487.40
  4. Step 4: Simplify right side
    10,881,610.60x = 146,746,474,486,509.66
  5. Step 5: Solve for x
    x = 146,746,474,486,509.66/10,881,610.60
  6. Step 6: Final answer
    x = 13,485,731.10

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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.