Home / 18,398,784.20-27,598,176.30-6,281,929.40

Finding the Fourth Proportional to 18,398,784.20, 27,598,176.30 and 6,281,929.40

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Solution

The fourth proportional to 18,398,784.20, 27,598,176.30 and 6,281,929.40 is: 9,422,894.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,398,784.20 : 27,598,176.30 = 6,281,929.40 : x
  2. Step 2: Convert to fraction form
    18,398,784.20/27,598,176.30 = 6,281,929.40/x
  3. Step 3: Cross multiply
    18,398,784.20x = 27,598,176.30 × 6,281,929.40
  4. Step 4: Simplify right side
    18,398,784.20x = 173,369,795,085,353.25
  5. Step 5: Solve for x
    x = 173,369,795,085,353.25/18,398,784.20
  6. Step 6: Final answer
    x = 9,422,894.10

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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.