Home / 7,521,990-10,380,346.20-4,302,726

Finding the Fourth Proportional to 7,521,990, 10,380,346.20 and 4,302,726

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Solution

The fourth proportional to 7,521,990, 10,380,346.20 and 4,302,726 is: 5,937,761.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,521,990 : 10,380,346.20 = 4,302,726 : x
  2. Step 2: Convert to fraction form
    7,521,990/10,380,346.20 = 4,302,726/x
  3. Step 3: Cross multiply
    7,521,990x = 10,380,346.20 × 4,302,726
  4. Step 4: Simplify right side
    7,521,990x = 44,663,785,483,741.20
  5. Step 5: Solve for x
    x = 44,663,785,483,741.20/7,521,990
  6. Step 6: Final answer
    x = 5,937,761.88

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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.