Home / 31,870,131.40-47,748,173.10-19,383,603.40

Finding the Fourth Proportional to 31,870,131.40, 47,748,173.10 and 19,383,603.40

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Solution

The fourth proportional to 31,870,131.40, 47,748,173.10 and 19,383,603.40 is: 29,040,722.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,870,131.40 : 47,748,173.10 = 19,383,603.40 : x
  2. Step 2: Convert to fraction form
    31,870,131.40/47,748,173.10 = 19,383,603.40/x
  3. Step 3: Cross multiply
    31,870,131.40x = 47,748,173.10 × 19,383,603.40
  4. Step 4: Simplify right side
    31,870,131.40x = 925,531,650,444,948.50
  5. Step 5: Solve for x
    x = 925,531,650,444,948.50/31,870,131.40
  6. Step 6: Final answer
    x = 29,040,722.76

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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.