Home / 7,638,157.08-11,462,707.98-2,780,453.43

Finding the Fourth Proportional to 7,638,157.08, 11,462,707.98 and 2,780,453.43

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Solution

The fourth proportional to 7,638,157.08, 11,462,707.98 and 2,780,453.43 is: 4,172,672.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,638,157.08 : 11,462,707.98 = 2,780,453.43 : x
  2. Step 2: Convert to fraction form
    7,638,157.08/11,462,707.98 = 2,780,453.43/x
  3. Step 3: Cross multiply
    7,638,157.08x = 11,462,707.98 × 2,780,453.43
  4. Step 4: Simplify right side
    7,638,157.08x = 31,871,525,720,079.38
  5. Step 5: Solve for x
    x = 31,871,525,720,079.38/7,638,157.08
  6. Step 6: Final answer
    x = 4,172,672.20

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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.