Home / 6,937,307.40-10,405,961.10-6,831,019.20

Finding the Fourth Proportional to 6,937,307.40, 10,405,961.10 and 6,831,019.20

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Solution

The fourth proportional to 6,937,307.40, 10,405,961.10 and 6,831,019.20 is: 10,246,528.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,937,307.40 : 10,405,961.10 = 6,831,019.20 : x
  2. Step 2: Convert to fraction form
    6,937,307.40/10,405,961.10 = 6,831,019.20/x
  3. Step 3: Cross multiply
    6,937,307.40x = 10,405,961.10 × 6,831,019.20
  4. Step 4: Simplify right side
    6,937,307.40x = 71,083,320,068,553.12
  5. Step 5: Solve for x
    x = 71,083,320,068,553.12/6,937,307.40
  6. Step 6: Final answer
    x = 10,246,528.80

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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.