Home / 20,733,079.10-31,113,615.46-13,527,059.90

Finding the Fourth Proportional to 20,733,079.10, 31,113,615.46 and 13,527,059.90

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Solution

The fourth proportional to 20,733,079.10, 31,113,615.46 and 13,527,059.90 is: 20,299,721.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,733,079.10 : 31,113,615.46 = 13,527,059.90 : x
  2. Step 2: Convert to fraction form
    20,733,079.10/31,113,615.46 = 13,527,059.90/x
  3. Step 3: Cross multiply
    20,733,079.10x = 31,113,615.46 × 13,527,059.90
  4. Step 4: Simplify right side
    20,733,079.10x = 420,875,740,032,986.06
  5. Step 5: Solve for x
    x = 420,875,740,032,986.06/20,733,079.10
  6. Step 6: Final answer
    x = 20,299,721.91

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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.