Home / 6,638,005.13-9,160,729.53-3,697,818.63

Finding the Fourth Proportional to 6,638,005.13, 9,160,729.53 and 3,697,818.63

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Solution

The fourth proportional to 6,638,005.13, 9,160,729.53 and 3,697,818.63 is: 5,103,147.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,638,005.13 : 9,160,729.53 = 3,697,818.63 : x
  2. Step 2: Convert to fraction form
    6,638,005.13/9,160,729.53 = 3,697,818.63/x
  3. Step 3: Cross multiply
    6,638,005.13x = 9,160,729.53 × 3,697,818.63
  4. Step 4: Simplify right side
    6,638,005.13x = 33,874,716,323,734.69
  5. Step 5: Solve for x
    x = 33,874,716,323,734.69/6,638,005.13
  6. Step 6: Final answer
    x = 5,103,147.05

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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.