Home / 20,833,465.30-31,250,201.55-8,696,307.70

Finding the Fourth Proportional to 20,833,465.30, 31,250,201.55 and 8,696,307.70

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Solution

The fourth proportional to 20,833,465.30, 31,250,201.55 and 8,696,307.70 is: 13,044,463.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,833,465.30 : 31,250,201.55 = 8,696,307.70 : x
  2. Step 2: Convert to fraction form
    20,833,465.30/31,250,201.55 = 8,696,307.70/x
  3. Step 3: Cross multiply
    20,833,465.30x = 31,250,201.55 × 8,696,307.70
  4. Step 4: Simplify right side
    20,833,465.30x = 271,761,368,365,816.91
  5. Step 5: Solve for x
    x = 271,761,368,365,816.91/20,833,465.30
  6. Step 6: Final answer
    x = 13,044,463.05

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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.