Home / 10,903,328.40-16,354,992.60-8,777,564.40

Finding the Fourth Proportional to 10,903,328.40, 16,354,992.60 and 8,777,564.40

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Solution

The fourth proportional to 10,903,328.40, 16,354,992.60 and 8,777,564.40 is: 13,166,346.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,903,328.40 : 16,354,992.60 = 8,777,564.40 : x
  2. Step 2: Convert to fraction form
    10,903,328.40/16,354,992.60 = 8,777,564.40/x
  3. Step 3: Cross multiply
    10,903,328.40x = 16,354,992.60 × 8,777,564.40
  4. Step 4: Simplify right side
    10,903,328.40x = 143,557,000,808,023.44
  5. Step 5: Solve for x
    x = 143,557,000,808,023.44/10,903,328.40
  6. Step 6: Final answer
    x = 13,166,346.60

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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.