Home / 11,142,824.96-15,337,928.40-9,762,915.44

Finding the Fourth Proportional to 11,142,824.96, 15,337,928.40 and 9,762,915.44

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Solution

The fourth proportional to 11,142,824.96, 15,337,928.40 and 9,762,915.44 is: 13,438,504.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,142,824.96 : 15,337,928.40 = 9,762,915.44 : x
  2. Step 2: Convert to fraction form
    11,142,824.96/15,337,928.40 = 9,762,915.44/x
  3. Step 3: Cross multiply
    11,142,824.96x = 15,337,928.40 × 9,762,915.44
  4. Step 4: Simplify right side
    11,142,824.96x = 149,742,897,993,974.50
  5. Step 5: Solve for x
    x = 149,742,897,993,974.50/11,142,824.96
  6. Step 6: Final answer
    x = 13,438,504.02

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1.5x scale

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.