Home / 7,287,029.10-10,930,543.65-7,180,740.90

Finding the Fourth Proportional to 7,287,029.10, 10,930,543.65 and 7,180,740.90

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Solution

The fourth proportional to 7,287,029.10, 10,930,543.65 and 7,180,740.90 is: 10,771,111.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,287,029.10 : 10,930,543.65 = 7,180,740.90 : x
  2. Step 2: Convert to fraction form
    7,287,029.10/10,930,543.65 = 7,180,740.90/x
  3. Step 3: Cross multiply
    7,287,029.10x = 10,930,543.65 × 7,180,740.90
  4. Step 4: Simplify right side
    7,287,029.10x = 78,489,401,846,790.30
  5. Step 5: Solve for x
    x = 78,489,401,846,790.30/7,287,029.10
  6. Step 6: Final answer
    x = 10,771,111.35

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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.