Home / 8,529,310.40-12,772,970.40-5,673,963.20

Finding the Fourth Proportional to 8,529,310.40, 12,772,970.40 and 5,673,963.20

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Solution

The fourth proportional to 8,529,310.40, 12,772,970.40 and 5,673,963.20 is: 8,496,978.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,529,310.40 : 12,772,970.40 = 5,673,963.20 : x
  2. Step 2: Convert to fraction form
    8,529,310.40/12,772,970.40 = 5,673,963.20/x
  3. Step 3: Cross multiply
    8,529,310.40x = 12,772,970.40 × 5,673,963.20
  4. Step 4: Simplify right side
    8,529,310.40x = 72,473,364,004,289.28
  5. Step 5: Solve for x
    x = 72,473,364,004,289.28/8,529,310.40
  6. Step 6: Final answer
    x = 8,496,978.14

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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.