Home / 7,132,490.78-9,842,837.26-4,076,770.64

Finding the Fourth Proportional to 7,132,490.78, 9,842,837.26 and 4,076,770.64

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Solution

The fourth proportional to 7,132,490.78, 9,842,837.26 and 4,076,770.64 is: 5,625,943.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,132,490.78 : 9,842,837.26 = 4,076,770.64 : x
  2. Step 2: Convert to fraction form
    7,132,490.78/9,842,837.26 = 4,076,770.64/x
  3. Step 3: Cross multiply
    7,132,490.78x = 9,842,837.26 × 4,076,770.64
  4. Step 4: Simplify right side
    7,132,490.78x = 40,126,989,955,866.05
  5. Step 5: Solve for x
    x = 40,126,989,955,866.05/7,132,490.78
  6. Step 6: Final answer
    x = 5,625,943.47

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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.