Home / 20,833,209.79-31,249,818.11-8,696,052.27

Finding the Fourth Proportional to 20,833,209.79, 31,249,818.11 and 8,696,052.27

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Solution

The fourth proportional to 20,833,209.79, 31,249,818.11 and 8,696,052.27 is: 13,044,079.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,833,209.79 : 31,249,818.11 = 8,696,052.27 : x
  2. Step 2: Convert to fraction form
    20,833,209.79/31,249,818.11 = 8,696,052.27/x
  3. Step 3: Cross multiply
    20,833,209.79x = 31,249,818.11 × 8,696,052.27
  4. Step 4: Simplify right side
    20,833,209.79x = 271,750,051,734,292.72
  5. Step 5: Solve for x
    x = 271,750,051,734,292.72/20,833,209.79
  6. Step 6: Final answer
    x = 13,044,079.84

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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.