Home / 10,502,427.20-15,765,450.60-8,116,847.60

Finding the Fourth Proportional to 10,502,427.20, 15,765,450.60 and 8,116,847.60

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Solution

The fourth proportional to 10,502,427.20, 15,765,450.60 and 8,116,847.60 is: 12,184,398.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,502,427.20 : 15,765,450.60 = 8,116,847.60 : x
  2. Step 2: Convert to fraction form
    10,502,427.20/15,765,450.60 = 8,116,847.60/x
  3. Step 3: Cross multiply
    10,502,427.20x = 15,765,450.60 × 8,116,847.60
  4. Step 4: Simplify right side
    10,502,427.20x = 127,965,759,865,528.55
  5. Step 5: Solve for x
    x = 127,965,759,865,528.55/10,502,427.20
  6. Step 6: Final answer
    x = 12,184,398.66

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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.