Home / 13,772,274.40-20,658,411.60-7,394,982.40

Finding the Fourth Proportional to 13,772,274.40, 20,658,411.60 and 7,394,982.40

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Solution

The fourth proportional to 13,772,274.40, 20,658,411.60 and 7,394,982.40 is: 11,092,473.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,772,274.40 : 20,658,411.60 = 7,394,982.40 : x
  2. Step 2: Convert to fraction form
    13,772,274.40/20,658,411.60 = 7,394,982.40/x
  3. Step 3: Cross multiply
    13,772,274.40x = 20,658,411.60 × 7,394,982.40
  4. Step 4: Simplify right side
    13,772,274.40x = 152,768,590,193,955.84
  5. Step 5: Solve for x
    x = 152,768,590,193,955.84/13,772,274.40
  6. Step 6: Final answer
    x = 11,092,473.60

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Similar ratio
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1.5x scale

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.