Home / 12,480,941.70-18,721,412.55-11,063,765.70

Finding the Fourth Proportional to 12,480,941.70, 18,721,412.55 and 11,063,765.70

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Solution

The fourth proportional to 12,480,941.70, 18,721,412.55 and 11,063,765.70 is: 16,595,648.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,480,941.70 : 18,721,412.55 = 11,063,765.70 : x
  2. Step 2: Convert to fraction form
    12,480,941.70/18,721,412.55 = 11,063,765.70/x
  3. Step 3: Cross multiply
    12,480,941.70x = 18,721,412.55 × 11,063,765.70
  4. Step 4: Simplify right side
    12,480,941.70x = 207,129,322,026,239.53
  5. Step 5: Solve for x
    x = 207,129,322,026,239.53/12,480,941.70
  6. Step 6: Final answer
    x = 16,595,648.55

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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.