Home / 10,078,841.36-13,904,428.20-6,405,793.04

Finding the Fourth Proportional to 10,078,841.36, 13,904,428.20 and 6,405,793.04

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Solution

The fourth proportional to 10,078,841.36, 13,904,428.20 and 6,405,793.04 is: 8,837,215.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,078,841.36 : 13,904,428.20 = 6,405,793.04 : x
  2. Step 2: Convert to fraction form
    10,078,841.36/13,904,428.20 = 6,405,793.04/x
  3. Step 3: Cross multiply
    10,078,841.36x = 13,904,428.20 × 6,405,793.04
  4. Step 4: Simplify right side
    10,078,841.36x = 89,068,889,388,739.72
  5. Step 5: Solve for x
    x = 89,068,889,388,739.72/10,078,841.36
  6. Step 6: Final answer
    x = 8,837,215.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.