Home / 13,369,564.40-20,061,797.92-7,221,421.92

Finding the Fourth Proportional to 13,369,564.40, 20,061,797.92 and 7,221,421.92

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Solution

The fourth proportional to 13,369,564.40, 20,061,797.92 and 7,221,421.92 is: 10,836,157.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,369,564.40 : 20,061,797.92 = 7,221,421.92 : x
  2. Step 2: Convert to fraction form
    13,369,564.40/20,061,797.92 = 7,221,421.92/x
  3. Step 3: Cross multiply
    13,369,564.40x = 20,061,797.92 × 7,221,421.92
  4. Step 4: Simplify right side
    13,369,564.40x = 144,874,707,254,098.41
  5. Step 5: Solve for x
    x = 144,874,707,254,098.41/13,369,564.40
  6. Step 6: Final answer
    x = 10,836,157.63

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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.