Home / 20,433,534.81-28,175,369.40-16,700,782.27

Finding the Fourth Proportional to 20,433,534.81, 28,175,369.40 and 16,700,782.27

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Solution

The fourth proportional to 20,433,534.81, 28,175,369.40 and 16,700,782.27 is: 23,028,355.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,433,534.81 : 28,175,369.40 = 16,700,782.27 : x
  2. Step 2: Convert to fraction form
    20,433,534.81/28,175,369.40 = 16,700,782.27/x
  3. Step 3: Cross multiply
    20,433,534.81x = 28,175,369.40 × 16,700,782.27
  4. Step 4: Simplify right side
    20,433,534.81x = 470,550,709,726,220.50
  5. Step 5: Solve for x
    x = 470,550,709,726,220.50/20,433,534.81
  6. Step 6: Final answer
    x = 23,028,355.79

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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.