Home / 20,862,063.10-31,293,094.65-13,303,791.10

Finding the Fourth Proportional to 20,862,063.10, 31,293,094.65 and 13,303,791.10

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Solution

The fourth proportional to 20,862,063.10, 31,293,094.65 and 13,303,791.10 is: 19,955,686.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,862,063.10 : 31,293,094.65 = 13,303,791.10 : x
  2. Step 2: Convert to fraction form
    20,862,063.10/31,293,094.65 = 13,303,791.10/x
  3. Step 3: Cross multiply
    20,862,063.10x = 31,293,094.65 × 13,303,791.10
  4. Step 4: Simplify right side
    20,862,063.10x = 416,316,794,096,127.56
  5. Step 5: Solve for x
    x = 416,316,794,096,127.56/20,862,063.10
  6. Step 6: Final answer
    x = 19,955,686.65

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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.