Home / 10,109,952.20-15,164,928.30-2,921,720.60

Finding the Fourth Proportional to 10,109,952.20, 15,164,928.30 and 2,921,720.60

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Solution

The fourth proportional to 10,109,952.20, 15,164,928.30 and 2,921,720.60 is: 4,382,580.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,109,952.20 : 15,164,928.30 = 2,921,720.60 : x
  2. Step 2: Convert to fraction form
    10,109,952.20/15,164,928.30 = 2,921,720.60/x
  3. Step 3: Cross multiply
    10,109,952.20x = 15,164,928.30 × 2,921,720.60
  4. Step 4: Simplify right side
    10,109,952.20x = 44,307,683,411,632.98
  5. Step 5: Solve for x
    x = 44,307,683,411,632.98/10,109,952.20
  6. Step 6: Final answer
    x = 4,382,580.90

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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.