Home / 31,740,254.75-47,610,972.84-9,021,742.49

Finding the Fourth Proportional to 31,740,254.75, 47,610,972.84 and 9,021,742.49

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Solution

The fourth proportional to 31,740,254.75, 47,610,972.84 and 9,021,742.49 is: 13,532,781.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,740,254.75 : 47,610,972.84 = 9,021,742.49 : x
  2. Step 2: Convert to fraction form
    31,740,254.75/47,610,972.84 = 9,021,742.49/x
  3. Step 3: Cross multiply
    31,740,254.75x = 47,610,972.84 × 9,021,742.49
  4. Step 4: Simplify right side
    31,740,254.75x = 429,533,936,422,809.12
  5. Step 5: Solve for x
    x = 429,533,936,422,809.12/31,740,254.75
  6. Step 6: Final answer
    x = 13,532,781.63

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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.