Home / 12,530,018.20-18,767,033.70-10,290,530.20

Finding the Fourth Proportional to 12,530,018.20, 18,767,033.70 and 10,290,530.20

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Solution

The fourth proportional to 12,530,018.20, 18,767,033.70 and 10,290,530.20 is: 15,412,804.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,530,018.20 : 18,767,033.70 = 10,290,530.20 : x
  2. Step 2: Convert to fraction form
    12,530,018.20/18,767,033.70 = 10,290,530.20/x
  3. Step 3: Cross multiply
    12,530,018.20x = 18,767,033.70 × 10,290,530.20
  4. Step 4: Simplify right side
    12,530,018.20x = 193,122,727,054,267.72
  5. Step 5: Solve for x
    x = 193,122,727,054,267.72/12,530,018.20
  6. Step 6: Final answer
    x = 15,412,804.99

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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.