Home / 18,927,163.20-28,402,408.80-7,566,427.20

Finding the Fourth Proportional to 18,927,163.20, 28,402,408.80 and 7,566,427.20

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Solution

The fourth proportional to 18,927,163.20, 28,402,408.80 and 7,566,427.20 is: 11,354,303.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,927,163.20 : 28,402,408.80 = 7,566,427.20 : x
  2. Step 2: Convert to fraction form
    18,927,163.20/28,402,408.80 = 7,566,427.20/x
  3. Step 3: Cross multiply
    18,927,163.20x = 28,402,408.80 × 7,566,427.20
  4. Step 4: Simplify right side
    18,927,163.20x = 214,904,758,489,839.38
  5. Step 5: Solve for x
    x = 214,904,758,489,839.38/18,927,163.20
  6. Step 6: Final answer
    x = 11,354,303.67

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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.