Home / 31,885,845.84-47,836,361.04-10,320,451.20

Finding the Fourth Proportional to 31,885,845.84, 47,836,361.04 and 10,320,451.20

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Solution

The fourth proportional to 31,885,845.84, 47,836,361.04 and 10,320,451.20 is: 15,483,134.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,885,845.84 : 47,836,361.04 = 10,320,451.20 : x
  2. Step 2: Convert to fraction form
    31,885,845.84/47,836,361.04 = 10,320,451.20/x
  3. Step 3: Cross multiply
    31,885,845.84x = 47,836,361.04 × 10,320,451.20
  4. Step 4: Simplify right side
    31,885,845.84x = 493,692,829,698,901.19
  5. Step 5: Solve for x
    x = 493,692,829,698,901.19/31,885,845.84
  6. Step 6: Final answer
    x = 15,483,134.18

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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.