Home / 9,009,435-13,512,128.70-4,147,081.92

Finding the Fourth Proportional to 9,009,435, 13,512,128.70 and 4,147,081.92

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Solution

The fourth proportional to 9,009,435, 13,512,128.70 and 4,147,081.92 is: 6,219,691.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,009,435 : 13,512,128.70 = 4,147,081.92 : x
  2. Step 2: Convert to fraction form
    9,009,435/13,512,128.70 = 4,147,081.92/x
  3. Step 3: Cross multiply
    9,009,435x = 13,512,128.70 × 4,147,081.92
  4. Step 4: Simplify right side
    9,009,435x = 56,035,904,632,483.10
  5. Step 5: Solve for x
    x = 56,035,904,632,483.10/9,009,435
  6. Step 6: Final answer
    x = 6,219,691.32

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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.