Home / 30,091,740.94-45,138,026.59-8,526,321.86

Finding the Fourth Proportional to 30,091,740.94, 45,138,026.59 and 8,526,321.86

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Solution

The fourth proportional to 30,091,740.94, 45,138,026.59 and 8,526,321.86 is: 12,789,600.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,091,740.94 : 45,138,026.59 = 8,526,321.86 : x
  2. Step 2: Convert to fraction form
    30,091,740.94/45,138,026.59 = 8,526,321.86/x
  3. Step 3: Cross multiply
    30,091,740.94x = 45,138,026.59 × 8,526,321.86
  4. Step 4: Simplify right side
    30,091,740.94x = 384,861,343,051,150.62
  5. Step 5: Solve for x
    x = 384,861,343,051,150.62/30,091,740.94
  6. Step 6: Final answer
    x = 12,789,600.44

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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.