Home / 20,087,400.32-30,134,978.94-8,572,699.52

Finding the Fourth Proportional to 20,087,400.32, 30,134,978.94 and 8,572,699.52

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Solution

The fourth proportional to 20,087,400.32, 30,134,978.94 and 8,572,699.52 is: 12,860,704.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,087,400.32 : 30,134,978.94 = 8,572,699.52 : x
  2. Step 2: Convert to fraction form
    20,087,400.32/30,134,978.94 = 8,572,699.52/x
  3. Step 3: Cross multiply
    20,087,400.32x = 30,134,978.94 × 8,572,699.52
  4. Step 4: Simplify right side
    20,087,400.32x = 258,338,119,343,473.25
  5. Step 5: Solve for x
    x = 258,338,119,343,473.25/20,087,400.32
  6. Step 6: Final answer
    x = 12,860,704.49

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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.