Home / 7,113,981.28-10,672,669.68-2,321,679.46

Finding the Fourth Proportional to 7,113,981.28, 10,672,669.68 and 2,321,679.46

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Solution

The fourth proportional to 7,113,981.28, 10,672,669.68 and 2,321,679.46 is: 3,483,073.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,113,981.28 : 10,672,669.68 = 2,321,679.46 : x
  2. Step 2: Convert to fraction form
    7,113,981.28/10,672,669.68 = 2,321,679.46/x
  3. Step 3: Cross multiply
    7,113,981.28x = 10,672,669.68 × 2,321,679.46
  4. Step 4: Simplify right side
    7,113,981.28x = 24,778,517,979,420.77
  5. Step 5: Solve for x
    x = 24,778,517,979,420.77/7,113,981.28
  6. Step 6: Final answer
    x = 3,483,073.26

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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.