Home / 12,239,317.80-18,358,976.70-10,111,804.20

Finding the Fourth Proportional to 12,239,317.80, 18,358,976.70 and 10,111,804.20

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Solution

The fourth proportional to 12,239,317.80, 18,358,976.70 and 10,111,804.20 is: 15,167,706.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,239,317.80 : 18,358,976.70 = 10,111,804.20 : x
  2. Step 2: Convert to fraction form
    12,239,317.80/18,358,976.70 = 10,111,804.20/x
  3. Step 3: Cross multiply
    12,239,317.80x = 18,358,976.70 × 10,111,804.20
  4. Step 4: Simplify right side
    12,239,317.80x = 185,642,377,702,762.12
  5. Step 5: Solve for x
    x = 185,642,377,702,762.12/12,239,317.80
  6. Step 6: Final answer
    x = 15,167,706.30

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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.