Home / 52,118,893.05-78,178,941.45-15,727,598.61

Finding the Fourth Proportional to 52,118,893.05, 78,178,941.45 and 15,727,598.61

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Solution

The fourth proportional to 52,118,893.05, 78,178,941.45 and 15,727,598.61 is: 23,591,579.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,118,893.05 : 78,178,941.45 = 15,727,598.61 : x
  2. Step 2: Convert to fraction form
    52,118,893.05/78,178,941.45 = 15,727,598.61/x
  3. Step 3: Cross multiply
    52,118,893.05x = 78,178,941.45 × 15,727,598.61
  4. Step 4: Simplify right side
    52,118,893.05x = 1,229,567,010,880,291.50
  5. Step 5: Solve for x
    x = 1,229,567,010,880,291.50/52,118,893.05
  6. Step 6: Final answer
    x = 23,591,579.54

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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.