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Finding the Fourth Proportional to 8,968,595.80, 13,452,893.70 and 6,228,722.20

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Solution

The fourth proportional to 8,968,595.80, 13,452,893.70 and 6,228,722.20 is: 9,343,083.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,968,595.80 : 13,452,893.70 = 6,228,722.20 : x
  2. Step 2: Convert to fraction form
    8,968,595.80/13,452,893.70 = 6,228,722.20/x
  3. Step 3: Cross multiply
    8,968,595.80x = 13,452,893.70 × 6,228,722.20
  4. Step 4: Simplify right side
    8,968,595.80x = 83,794,337,643,430.14
  5. Step 5: Solve for x
    x = 83,794,337,643,430.14/8,968,595.80
  6. Step 6: Final answer
    x = 9,343,083.30

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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.