Home / 14,127,628.06-21,194,601.03-5,152,180.06

Finding the Fourth Proportional to 14,127,628.06, 21,194,601.03 and 5,152,180.06

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Solution

The fourth proportional to 14,127,628.06, 21,194,601.03 and 5,152,180.06 is: 7,729,422.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,127,628.06 : 21,194,601.03 = 5,152,180.06 : x
  2. Step 2: Convert to fraction form
    14,127,628.06/21,194,601.03 = 5,152,180.06/x
  3. Step 3: Cross multiply
    14,127,628.06x = 21,194,601.03 × 5,152,180.06
  4. Step 4: Simplify right side
    14,127,628.06x = 109,198,400,806,421.45
  5. Step 5: Solve for x
    x = 109,198,400,806,421.45/14,127,628.06
  6. Step 6: Final answer
    x = 7,729,422.12

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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.