Home / 6,645,820.86-9,989,540.19-4,385,868.21

Finding the Fourth Proportional to 6,645,820.86, 9,989,540.19 and 4,385,868.21

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Solution

The fourth proportional to 6,645,820.86, 9,989,540.19 and 4,385,868.21 is: 6,592,535.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,645,820.86 : 9,989,540.19 = 4,385,868.21 : x
  2. Step 2: Convert to fraction form
    6,645,820.86/9,989,540.19 = 4,385,868.21/x
  3. Step 3: Cross multiply
    6,645,820.86x = 9,989,540.19 × 4,385,868.21
  4. Step 4: Simplify right side
    6,645,820.86x = 43,812,806,751,838.36
  5. Step 5: Solve for x
    x = 43,812,806,751,838.36/6,645,820.86
  6. Step 6: Final answer
    x = 6,592,535.02

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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.