Home / 28,871,820.80-43,307,354.44-7,012,379.22

Finding the Fourth Proportional to 28,871,820.80, 43,307,354.44 and 7,012,379.22

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Solution

The fourth proportional to 28,871,820.80, 43,307,354.44 and 7,012,379.22 is: 10,518,477.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,871,820.80 : 43,307,354.44 = 7,012,379.22 : x
  2. Step 2: Convert to fraction form
    28,871,820.80/43,307,354.44 = 7,012,379.22/x
  3. Step 3: Cross multiply
    28,871,820.80x = 43,307,354.44 × 7,012,379.22
  4. Step 4: Simplify right side
    28,871,820.80x = 303,687,592,348,230.69
  5. Step 5: Solve for x
    x = 303,687,592,348,230.69/28,871,820.80
  6. Step 6: Final answer
    x = 10,518,477.32

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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.