Home / 10,881,114.60-16,321,671.90-8,989,991.40

Finding the Fourth Proportional to 10,881,114.60, 16,321,671.90 and 8,989,991.40

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Solution

The fourth proportional to 10,881,114.60, 16,321,671.90 and 8,989,991.40 is: 13,484,987.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,881,114.60 : 16,321,671.90 = 8,989,991.40 : x
  2. Step 2: Convert to fraction form
    10,881,114.60/16,321,671.90 = 8,989,991.40/x
  3. Step 3: Cross multiply
    10,881,114.60x = 16,321,671.90 × 8,989,991.40
  4. Step 4: Simplify right side
    10,881,114.60x = 146,731,690,014,621.66
  5. Step 5: Solve for x
    x = 146,731,690,014,621.66/10,881,114.60
  6. Step 6: Final answer
    x = 13,484,987.10

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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.