Home / 6,937,288.40-10,405,932.60-6,831,000.20

Finding the Fourth Proportional to 6,937,288.40, 10,405,932.60 and 6,831,000.20

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Solution

The fourth proportional to 6,937,288.40, 10,405,932.60 and 6,831,000.20 is: 10,246,500.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,937,288.40 : 10,405,932.60 = 6,831,000.20 : x
  2. Step 2: Convert to fraction form
    6,937,288.40/10,405,932.60 = 6,831,000.20/x
  3. Step 3: Cross multiply
    6,937,288.40x = 10,405,932.60 × 6,831,000.20
  4. Step 4: Simplify right side
    6,937,288.40x = 71,082,927,671,786.52
  5. Step 5: Solve for x
    x = 71,082,927,671,786.52/6,937,288.40
  6. Step 6: Final answer
    x = 10,246,500.30

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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.