Home / 18,444,780.20-27,656,802.30-7,085,599.40

Finding the Fourth Proportional to 18,444,780.20, 27,656,802.30 and 7,085,599.40

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Solution

The fourth proportional to 18,444,780.20, 27,656,802.30 and 7,085,599.40 is: 10,624,416.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,444,780.20 : 27,656,802.30 = 7,085,599.40 : x
  2. Step 2: Convert to fraction form
    18,444,780.20/27,656,802.30 = 7,085,599.40/x
  3. Step 3: Cross multiply
    18,444,780.20x = 27,656,802.30 × 7,085,599.40
  4. Step 4: Simplify right side
    18,444,780.20x = 195,965,021,782,798.62
  5. Step 5: Solve for x
    x = 195,965,021,782,798.62/18,444,780.20
  6. Step 6: Final answer
    x = 10,624,416.21

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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.