Home / 10,745,947.60-16,118,921.40-7,344,725.20

Finding the Fourth Proportional to 10,745,947.60, 16,118,921.40 and 7,344,725.20

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Solution

The fourth proportional to 10,745,947.60, 16,118,921.40 and 7,344,725.20 is: 11,017,087.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,745,947.60 : 16,118,921.40 = 7,344,725.20 : x
  2. Step 2: Convert to fraction form
    10,745,947.60/16,118,921.40 = 7,344,725.20/x
  3. Step 3: Cross multiply
    10,745,947.60x = 16,118,921.40 × 7,344,725.20
  4. Step 4: Simplify right side
    10,745,947.60x = 118,389,048,203,399.28
  5. Step 5: Solve for x
    x = 118,389,048,203,399.28/10,745,947.60
  6. Step 6: Final answer
    x = 11,017,087.80

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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.