Home / 8,068,403-11,145,300.10-6,448,166.52

Finding the Fourth Proportional to 8,068,403, 11,145,300.10 and 6,448,166.52

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Solution

The fourth proportional to 8,068,403, 11,145,300.10 and 6,448,166.52 is: 8,907,184.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,068,403 : 11,145,300.10 = 6,448,166.52 : x
  2. Step 2: Convert to fraction form
    8,068,403/11,145,300.10 = 6,448,166.52/x
  3. Step 3: Cross multiply
    8,068,403x = 11,145,300.10 × 6,448,166.52
  4. Step 4: Simplify right side
    8,068,403x = 71,866,750,960,172.64
  5. Step 5: Solve for x
    x = 71,866,750,960,172.64/8,068,403
  6. Step 6: Final answer
    x = 8,907,184.11

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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.