Home / 20,297,440.18-27,983,369.28-16,124,969.40

Finding the Fourth Proportional to 20,297,440.18, 27,983,369.28 and 16,124,969.40

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Solution

The fourth proportional to 20,297,440.18, 27,983,369.28 and 16,124,969.40 is: 22,230,930.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,297,440.18 : 27,983,369.28 = 16,124,969.40 : x
  2. Step 2: Convert to fraction form
    20,297,440.18/27,983,369.28 = 16,124,969.40/x
  3. Step 3: Cross multiply
    20,297,440.18x = 27,983,369.28 × 16,124,969.40
  4. Step 4: Simplify right side
    20,297,440.18x = 451,230,973,348,900.06
  5. Step 5: Solve for x
    x = 451,230,973,348,900.06/20,297,440.18
  6. Step 6: Final answer
    x = 22,230,930.08

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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.