Home / 20,495,463.20-28,265,420.94-17,005,277.06

Finding the Fourth Proportional to 20,495,463.20, 28,265,420.94 and 17,005,277.06

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Solution

The fourth proportional to 20,495,463.20, 28,265,420.94 and 17,005,277.06 is: 23,452,083.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,495,463.20 : 28,265,420.94 = 17,005,277.06 : x
  2. Step 2: Convert to fraction form
    20,495,463.20/28,265,420.94 = 17,005,277.06/x
  3. Step 3: Cross multiply
    20,495,463.20x = 28,265,420.94 × 17,005,277.06
  4. Step 4: Simplify right side
    20,495,463.20x = 480,661,314,302,225.62
  5. Step 5: Solve for x
    x = 480,661,314,302,225.62/20,495,463.20
  6. Step 6: Final answer
    x = 23,452,083.50

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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.