Home / 18,706,665.40-28,069,329.30-10,625,846.20

Finding the Fourth Proportional to 18,706,665.40, 28,069,329.30 and 10,625,846.20

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Solution

The fourth proportional to 18,706,665.40, 28,069,329.30 and 10,625,846.20 is: 15,944,069.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,706,665.40 : 28,069,329.30 = 10,625,846.20 : x
  2. Step 2: Convert to fraction form
    18,706,665.40/28,069,329.30 = 10,625,846.20/x
  3. Step 3: Cross multiply
    18,706,665.40x = 28,069,329.30 × 10,625,846.20
  4. Step 4: Simplify right side
    18,706,665.40x = 298,260,376,078,953.62
  5. Step 5: Solve for x
    x = 298,260,376,078,953.62/18,706,665.40
  6. Step 6: Final answer
    x = 15,944,069.65

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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.