Home / 14,509,288.47-20,023,128.18-7,982,936.67

Finding the Fourth Proportional to 14,509,288.47, 20,023,128.18 and 7,982,936.67

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Solution

The fourth proportional to 14,509,288.47, 20,023,128.18 and 7,982,936.67 is: 11,016,623.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,509,288.47 : 20,023,128.18 = 7,982,936.67 : x
  2. Step 2: Convert to fraction form
    14,509,288.47/20,023,128.18 = 7,982,936.67/x
  3. Step 3: Cross multiply
    14,509,288.47x = 20,023,128.18 × 7,982,936.67
  4. Step 4: Simplify right side
    14,509,288.47x = 159,843,364,196,232.34
  5. Step 5: Solve for x
    x = 159,843,364,196,232.34/14,509,288.47
  6. Step 6: Final answer
    x = 11,016,623.22

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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.