Home / 18,144,841.80-27,217,262.70-10,492,091.40

Finding the Fourth Proportional to 18,144,841.80, 27,217,262.70 and 10,492,091.40

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Solution

The fourth proportional to 18,144,841.80, 27,217,262.70 and 10,492,091.40 is: 15,738,137.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,144,841.80 : 27,217,262.70 = 10,492,091.40 : x
  2. Step 2: Convert to fraction form
    18,144,841.80/27,217,262.70 = 10,492,091.40/x
  3. Step 3: Cross multiply
    18,144,841.80x = 27,217,262.70 × 10,492,091.40
  4. Step 4: Simplify right side
    18,144,841.80x = 285,566,007,906,210.81
  5. Step 5: Solve for x
    x = 285,566,007,906,210.81/18,144,841.80
  6. Step 6: Final answer
    x = 15,738,137.10

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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.