Home / 21,010,944.62-29,006,063.08-14,913,938.54

Finding the Fourth Proportional to 21,010,944.62, 29,006,063.08 and 14,913,938.54

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Solution

The fourth proportional to 21,010,944.62, 29,006,063.08 and 14,913,938.54 is: 20,589,014.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,010,944.62 : 29,006,063.08 = 14,913,938.54 : x
  2. Step 2: Convert to fraction form
    21,010,944.62/29,006,063.08 = 14,913,938.54/x
  3. Step 3: Cross multiply
    21,010,944.62x = 29,006,063.08 × 14,913,938.54
  4. Step 4: Simplify right side
    21,010,944.62x = 432,594,642,062,483.06
  5. Step 5: Solve for x
    x = 432,594,642,062,483.06/21,010,944.62
  6. Step 6: Final answer
    x = 20,589,014.43

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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.