Home / 18,617,967.40-27,926,951.10-17,274,274.60

Finding the Fourth Proportional to 18,617,967.40, 27,926,951.10 and 17,274,274.60

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Solution

The fourth proportional to 18,617,967.40, 27,926,951.10 and 17,274,274.60 is: 25,911,411.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,617,967.40 : 27,926,951.10 = 17,274,274.60 : x
  2. Step 2: Convert to fraction form
    18,617,967.40/27,926,951.10 = 17,274,274.60/x
  3. Step 3: Cross multiply
    18,617,967.40x = 27,926,951.10 × 17,274,274.60
  4. Step 4: Simplify right side
    18,617,967.40x = 482,417,822,042,172.12
  5. Step 5: Solve for x
    x = 482,417,822,042,172.12/18,617,967.40
  6. Step 6: Final answer
    x = 25,911,411.90

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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.