Home / 7,300,815.44-10,074,006.12-4,202,740.20

Finding the Fourth Proportional to 7,300,815.44, 10,074,006.12 and 4,202,740.20

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Solution

The fourth proportional to 7,300,815.44, 10,074,006.12 and 4,202,740.20 is: 5,799,137.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,300,815.44 : 10,074,006.12 = 4,202,740.20 : x
  2. Step 2: Convert to fraction form
    7,300,815.44/10,074,006.12 = 4,202,740.20/x
  3. Step 3: Cross multiply
    7,300,815.44x = 10,074,006.12 × 4,202,740.20
  4. Step 4: Simplify right side
    7,300,815.44x = 42,338,430,511,330.30
  5. Step 5: Solve for x
    x = 42,338,430,511,330.30/7,300,815.44
  6. Step 6: Final answer
    x = 5,799,137.21

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1.5x scale

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.