Home / 10,630,057.80-15,945,086.70-7,445,008.20

Finding the Fourth Proportional to 10,630,057.80, 15,945,086.70 and 7,445,008.20

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Solution

The fourth proportional to 10,630,057.80, 15,945,086.70 and 7,445,008.20 is: 11,167,512.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,630,057.80 : 15,945,086.70 = 7,445,008.20 : x
  2. Step 2: Convert to fraction form
    10,630,057.80/15,945,086.70 = 7,445,008.20/x
  3. Step 3: Cross multiply
    10,630,057.80x = 15,945,086.70 × 7,445,008.20
  4. Step 4: Simplify right side
    10,630,057.80x = 118,711,301,231,210.94
  5. Step 5: Solve for x
    x = 118,711,301,231,210.94/10,630,057.80
  6. Step 6: Final answer
    x = 11,167,512.30

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Similar ratio
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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.