Home / 10,334,954.40-15,502,431.60-3,146,431.20

Finding the Fourth Proportional to 10,334,954.40, 15,502,431.60 and 3,146,431.20

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Solution

The fourth proportional to 10,334,954.40, 15,502,431.60 and 3,146,431.20 is: 4,719,646.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,334,954.40 : 15,502,431.60 = 3,146,431.20 : x
  2. Step 2: Convert to fraction form
    10,334,954.40/15,502,431.60 = 3,146,431.20/x
  3. Step 3: Cross multiply
    10,334,954.40x = 15,502,431.60 × 3,146,431.20
  4. Step 4: Simplify right side
    10,334,954.40x = 48,777,334,462,105.92
  5. Step 5: Solve for x
    x = 48,777,334,462,105.92/10,334,954.40
  6. Step 6: Final answer
    x = 4,719,646.80

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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.