Home / 10,920,043.52-15,069,975.42-6,025,580.90

Finding the Fourth Proportional to 10,920,043.52, 15,069,975.42 and 6,025,580.90

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Solution

The fourth proportional to 10,920,043.52, 15,069,975.42 and 6,025,580.90 is: 8,315,475.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,920,043.52 : 15,069,975.42 = 6,025,580.90 : x
  2. Step 2: Convert to fraction form
    10,920,043.52/15,069,975.42 = 6,025,580.90/x
  3. Step 3: Cross multiply
    10,920,043.52x = 15,069,975.42 × 6,025,580.90
  4. Step 4: Simplify right side
    10,920,043.52x = 90,805,355,978,871.59
  5. Step 5: Solve for x
    x = 90,805,355,978,871.59/10,920,043.52
  6. Step 6: Final answer
    x = 8,315,475.65

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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.