Home / 10,977,158.40-16,465,737.60-7,150,783.20

Finding the Fourth Proportional to 10,977,158.40, 16,465,737.60 and 7,150,783.20

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Solution

The fourth proportional to 10,977,158.40, 16,465,737.60 and 7,150,783.20 is: 10,726,174.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,977,158.40 : 16,465,737.60 = 7,150,783.20 : x
  2. Step 2: Convert to fraction form
    10,977,158.40/16,465,737.60 = 7,150,783.20/x
  3. Step 3: Cross multiply
    10,977,158.40x = 16,465,737.60 × 7,150,783.20
  4. Step 4: Simplify right side
    10,977,158.40x = 117,742,919,805,688.33
  5. Step 5: Solve for x
    x = 117,742,919,805,688.33/10,977,158.40
  6. Step 6: Final answer
    x = 10,726,174.80

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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.