Home / 7,023,187.20-9,692,784.90-3,967,598.28

Finding the Fourth Proportional to 7,023,187.20, 9,692,784.90 and 3,967,598.28

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Solution

The fourth proportional to 7,023,187.20, 9,692,784.90 and 3,967,598.28 is: 5,475,729.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,023,187.20 : 9,692,784.90 = 3,967,598.28 : x
  2. Step 2: Convert to fraction form
    7,023,187.20/9,692,784.90 = 3,967,598.28/x
  3. Step 3: Cross multiply
    7,023,187.20x = 9,692,784.90 × 3,967,598.28
  4. Step 4: Simplify right side
    7,023,187.20x = 38,457,076,697,649.97
  5. Step 5: Solve for x
    x = 38,457,076,697,649.97/7,023,187.20
  6. Step 6: Final answer
    x = 5,475,729.98

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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.