Home / 10,070,621.22-15,105,918.08-4,676,321.90

Finding the Fourth Proportional to 10,070,621.22, 15,105,918.08 and 4,676,321.90

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Solution

The fourth proportional to 10,070,621.22, 15,105,918.08 and 4,676,321.90 is: 7,014,476.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,070,621.22 : 15,105,918.08 = 4,676,321.90 : x
  2. Step 2: Convert to fraction form
    10,070,621.22/15,105,918.08 = 4,676,321.90/x
  3. Step 3: Cross multiply
    10,070,621.22x = 15,105,918.08 × 4,676,321.90
  4. Step 4: Simplify right side
    10,070,621.22x = 70,640,135,537,109.95
  5. Step 5: Solve for x
    x = 70,640,135,537,109.95/10,070,621.22
  6. Step 6: Final answer
    x = 7,014,476.47

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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.