Home / 8,702,288.64-12,008,453.40-5,031,440.96

Finding the Fourth Proportional to 8,702,288.64, 12,008,453.40 and 5,031,440.96

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Solution

The fourth proportional to 8,702,288.64, 12,008,453.40 and 5,031,440.96 is: 6,942,980.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,702,288.64 : 12,008,453.40 = 5,031,440.96 : x
  2. Step 2: Convert to fraction form
    8,702,288.64/12,008,453.40 = 5,031,440.96/x
  3. Step 3: Cross multiply
    8,702,288.64x = 12,008,453.40 × 5,031,440.96
  4. Step 4: Simplify right side
    8,702,288.64x = 60,419,824,303,011.27
  5. Step 5: Solve for x
    x = 60,419,824,303,011.27/8,702,288.64
  6. Step 6: Final answer
    x = 6,942,980.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.