Home / 8,904,079.35-13,358,421.77-5,214,219.30

Finding the Fourth Proportional to 8,904,079.35, 13,358,421.77 and 5,214,219.30

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Solution

The fourth proportional to 8,904,079.35, 13,358,421.77 and 5,214,219.30 is: 7,822,677.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,904,079.35 : 13,358,421.77 = 5,214,219.30 : x
  2. Step 2: Convert to fraction form
    8,904,079.35/13,358,421.77 = 5,214,219.30/x
  3. Step 3: Cross multiply
    8,904,079.35x = 13,358,421.77 × 5,214,219.30
  4. Step 4: Simplify right side
    8,904,079.35x = 69,653,740,584,603.06
  5. Step 5: Solve for x
    x = 69,653,740,584,603.06/8,904,079.35
  6. Step 6: Final answer
    x = 7,822,677.43

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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.