Home / 10,903,410.90-16,355,116.35-8,777,646.90

Finding the Fourth Proportional to 10,903,410.90, 16,355,116.35 and 8,777,646.90

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Solution

The fourth proportional to 10,903,410.90, 16,355,116.35 and 8,777,646.90 is: 13,166,470.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,903,410.90 : 16,355,116.35 = 8,777,646.90 : x
  2. Step 2: Convert to fraction form
    10,903,410.90/16,355,116.35 = 8,777,646.90/x
  3. Step 3: Cross multiply
    10,903,410.90x = 16,355,116.35 × 8,777,646.90
  4. Step 4: Simplify right side
    10,903,410.90x = 143,559,436,328,716.81
  5. Step 5: Solve for x
    x = 143,559,436,328,716.81/10,903,410.90
  6. Step 6: Final answer
    x = 13,166,470.35

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Double scale
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Similar ratio
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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.