Home / 20,860,602.59-31,299,894.89-11,282,723.57

Finding the Fourth Proportional to 20,860,602.59, 31,299,894.89 and 11,282,723.57

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Solution

The fourth proportional to 20,860,602.59, 31,299,894.89 and 11,282,723.57 is: 16,928,948.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,860,602.59 : 31,299,894.89 = 11,282,723.57 : x
  2. Step 2: Convert to fraction form
    20,860,602.59/31,299,894.89 = 11,282,723.57/x
  3. Step 3: Cross multiply
    20,860,602.59x = 31,299,894.89 × 11,282,723.57
  4. Step 4: Simplify right side
    20,860,602.59x = 353,148,061,601,012.44
  5. Step 5: Solve for x
    x = 353,148,061,601,012.44/20,860,602.59
  6. Step 6: Final answer
    x = 16,928,948.25

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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.