Home / 13,490,266.38-20,235,662.01-4,966,215.18

Finding the Fourth Proportional to 13,490,266.38, 20,235,662.01 and 4,966,215.18

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Solution

The fourth proportional to 13,490,266.38, 20,235,662.01 and 4,966,215.18 is: 7,449,419.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,490,266.38 : 20,235,662.01 = 4,966,215.18 : x
  2. Step 2: Convert to fraction form
    13,490,266.38/20,235,662.01 = 4,966,215.18/x
  3. Step 3: Cross multiply
    13,490,266.38x = 20,235,662.01 × 4,966,215.18
  4. Step 4: Simplify right side
    13,490,266.38x = 100,494,651,851,411.31
  5. Step 5: Solve for x
    x = 100,494,651,851,411.31/13,490,266.38
  6. Step 6: Final answer
    x = 7,449,419.38

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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.