Home / 18,289,411.60-27,423,619.80-5,508,000.40

Finding the Fourth Proportional to 18,289,411.60, 27,423,619.80 and 5,508,000.40

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Solution

The fourth proportional to 18,289,411.60, 27,423,619.80 and 5,508,000.40 is: 8,258,839.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,289,411.60 : 27,423,619.80 = 5,508,000.40 : x
  2. Step 2: Convert to fraction form
    18,289,411.60/27,423,619.80 = 5,508,000.40/x
  3. Step 3: Cross multiply
    18,289,411.60x = 27,423,619.80 × 5,508,000.40
  4. Step 4: Simplify right side
    18,289,411.60x = 151,049,308,827,847.94
  5. Step 5: Solve for x
    x = 151,049,308,827,847.94/18,289,411.60
  6. Step 6: Final answer
    x = 8,258,839.17

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1.5x scale

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.