Home / 20,731,140.10-31,096,710.16-10,653,444.10

Finding the Fourth Proportional to 20,731,140.10, 31,096,710.16 and 10,653,444.10

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Solution

The fourth proportional to 20,731,140.10, 31,096,710.16 and 10,653,444.10 is: 15,980,166.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,731,140.10 : 31,096,710.16 = 10,653,444.10 : x
  2. Step 2: Convert to fraction form
    20,731,140.10/31,096,710.16 = 10,653,444.10/x
  3. Step 3: Cross multiply
    20,731,140.10x = 31,096,710.16 × 10,653,444.10
  4. Step 4: Simplify right side
    20,731,140.10x = 331,287,063,383,462.06
  5. Step 5: Solve for x
    x = 331,287,063,383,462.06/20,731,140.10
  6. Step 6: Final answer
    x = 15,980,166.16

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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.