Home / 5,190,731.04-7,111,182.78-4,996,661.88

Finding the Fourth Proportional to 5,190,731.04, 7,111,182.78 and 4,996,661.88

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Solution

The fourth proportional to 5,190,731.04, 7,111,182.78 and 4,996,661.88 is: 6,845,312.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,190,731.04 : 7,111,182.78 = 4,996,661.88 : x
  2. Step 2: Convert to fraction form
    5,190,731.04/7,111,182.78 = 4,996,661.88/x
  3. Step 3: Cross multiply
    5,190,731.04x = 7,111,182.78 × 4,996,661.88
  4. Step 4: Simplify right side
    5,190,731.04x = 35,532,175,918,538.43
  5. Step 5: Solve for x
    x = 35,532,175,918,538.43/5,190,731.04
  6. Step 6: Final answer
    x = 6,845,312.47

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.