Home / 10,753,454.40-16,130,181.60-5,378,683.20

Finding the Fourth Proportional to 10,753,454.40, 16,130,181.60 and 5,378,683.20

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Solution

The fourth proportional to 10,753,454.40, 16,130,181.60 and 5,378,683.20 is: 8,068,024.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,753,454.40 : 16,130,181.60 = 5,378,683.20 : x
  2. Step 2: Convert to fraction form
    10,753,454.40/16,130,181.60 = 5,378,683.20/x
  3. Step 3: Cross multiply
    10,753,454.40x = 16,130,181.60 × 5,378,683.20
  4. Step 4: Simplify right side
    10,753,454.40x = 86,759,136,784,869.12
  5. Step 5: Solve for x
    x = 86,759,136,784,869.12/10,753,454.40
  6. Step 6: Final answer
    x = 8,068,024.80

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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.