Home / 5,384,617.20-8,076,925.80-5,172,040.80

Finding the Fourth Proportional to 5,384,617.20, 8,076,925.80 and 5,172,040.80

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Solution

The fourth proportional to 5,384,617.20, 8,076,925.80 and 5,172,040.80 is: 7,758,061.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,384,617.20 : 8,076,925.80 = 5,172,040.80 : x
  2. Step 2: Convert to fraction form
    5,384,617.20/8,076,925.80 = 5,172,040.80/x
  3. Step 3: Cross multiply
    5,384,617.20x = 8,076,925.80 × 5,172,040.80
  4. Step 4: Simplify right side
    5,384,617.20x = 41,774,189,776,172.64
  5. Step 5: Solve for x
    x = 41,774,189,776,172.64/5,384,617.20
  6. Step 6: Final answer
    x = 7,758,061.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.