Home / 7,076,477.28-9,757,821.36-4,780,651.68

Finding the Fourth Proportional to 7,076,477.28, 9,757,821.36 and 4,780,651.68

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Solution

The fourth proportional to 7,076,477.28, 9,757,821.36 and 4,780,651.68 is: 6,592,085.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,076,477.28 : 9,757,821.36 = 4,780,651.68 : x
  2. Step 2: Convert to fraction form
    7,076,477.28/9,757,821.36 = 4,780,651.68/x
  3. Step 3: Cross multiply
    7,076,477.28x = 9,757,821.36 × 4,780,651.68
  4. Step 4: Simplify right side
    7,076,477.28x = 46,648,745,077,823.88
  5. Step 5: Solve for x
    x = 46,648,745,077,823.88/7,076,477.28
  6. Step 6: Final answer
    x = 6,592,085.76

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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.