Home / 7,417,601.60-11,128,015.20-4,224,257.60

Finding the Fourth Proportional to 7,417,601.60, 11,128,015.20 and 4,224,257.60

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Solution

The fourth proportional to 7,417,601.60, 11,128,015.20 and 4,224,257.60 is: 6,337,304.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,417,601.60 : 11,128,015.20 = 4,224,257.60 : x
  2. Step 2: Convert to fraction form
    7,417,601.60/11,128,015.20 = 4,224,257.60/x
  3. Step 3: Cross multiply
    7,417,601.60x = 11,128,015.20 × 4,224,257.60
  4. Step 4: Simplify right side
    7,417,601.60x = 47,007,602,781,515.52
  5. Step 5: Solve for x
    x = 47,007,602,781,515.52/7,417,601.60
  6. Step 6: Final answer
    x = 6,337,304.88

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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.