Home / 13,761,903.70-18,990,941.01-7,566,907.04

Finding the Fourth Proportional to 13,761,903.70, 18,990,941.01 and 7,566,907.04

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Solution

The fourth proportional to 13,761,903.70, 18,990,941.01 and 7,566,907.04 is: 10,442,064.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,761,903.70 : 18,990,941.01 = 7,566,907.04 : x
  2. Step 2: Convert to fraction form
    13,761,903.70/18,990,941.01 = 7,566,907.04/x
  3. Step 3: Cross multiply
    13,761,903.70x = 18,990,941.01 × 7,566,907.04
  4. Step 4: Simplify right side
    13,761,903.70x = 143,702,685,224,793.72
  5. Step 5: Solve for x
    x = 143,702,685,224,793.72/13,761,903.70
  6. Step 6: Final answer
    x = 10,442,064.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.