Home / 31,636,943.28-43,657,286.04-17,885,087.28

Finding the Fourth Proportional to 31,636,943.28, 43,657,286.04 and 17,885,087.28

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Solution

The fourth proportional to 31,636,943.28, 43,657,286.04 and 17,885,087.28 is: 24,680,461.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,636,943.28 : 43,657,286.04 = 17,885,087.28 : x
  2. Step 2: Convert to fraction form
    31,636,943.28/43,657,286.04 = 17,885,087.28/x
  3. Step 3: Cross multiply
    31,636,943.28x = 43,657,286.04 × 17,885,087.28
  4. Step 4: Simplify right side
    31,636,943.28x = 780,814,371,233,325.62
  5. Step 5: Solve for x
    x = 780,814,371,233,325.62/31,636,943.28
  6. Step 6: Final answer
    x = 24,680,461.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.