Home / 10,330,459.38-14,223,583.52-8,778,447.54

Finding the Fourth Proportional to 10,330,459.38, 14,223,583.52 and 8,778,447.54

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Solution

The fourth proportional to 10,330,459.38, 14,223,583.52 and 8,778,447.54 is: 12,086,682.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,330,459.38 : 14,223,583.52 = 8,778,447.54 : x
  2. Step 2: Convert to fraction form
    10,330,459.38/14,223,583.52 = 8,778,447.54/x
  3. Step 3: Cross multiply
    10,330,459.38x = 14,223,583.52 × 8,778,447.54
  4. Step 4: Simplify right side
    10,330,459.38x = 124,860,981,761,128.53
  5. Step 5: Solve for x
    x = 124,860,981,761,128.53/10,330,459.38
  6. Step 6: Final answer
    x = 12,086,682.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.