Home / 10,079,057.80-13,909,029.78-5,727,802.60

Finding the Fourth Proportional to 10,079,057.80, 13,909,029.78 and 5,727,802.60

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Solution

The fourth proportional to 10,079,057.80, 13,909,029.78 and 5,727,802.60 is: 7,904,327.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,079,057.80 : 13,909,029.78 = 5,727,802.60 : x
  2. Step 2: Convert to fraction form
    10,079,057.80/13,909,029.78 = 5,727,802.60/x
  3. Step 3: Cross multiply
    10,079,057.80x = 13,909,029.78 × 5,727,802.60
  4. Step 4: Simplify right side
    10,079,057.80x = 79,668,176,937,361.42
  5. Step 5: Solve for x
    x = 79,668,176,937,361.42/10,079,057.80
  6. Step 6: Final answer
    x = 7,904,327.82

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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.