Home / 10,290,617.46-15,432,765.98-7,116,143.22

Finding the Fourth Proportional to 10,290,617.46, 15,432,765.98 and 7,116,143.22

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Solution

The fourth proportional to 10,290,617.46, 15,432,765.98 and 7,116,143.22 is: 10,672,029.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,290,617.46 : 15,432,765.98 = 7,116,143.22 : x
  2. Step 2: Convert to fraction form
    10,290,617.46/15,432,765.98 = 7,116,143.22/x
  3. Step 3: Cross multiply
    10,290,617.46x = 15,432,765.98 × 7,116,143.22
  4. Step 4: Simplify right side
    10,290,617.46x = 109,821,772,958,842.94
  5. Step 5: Solve for x
    x = 109,821,772,958,842.94/10,290,617.46
  6. Step 6: Final answer
    x = 10,672,029.49

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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.