Home / 19,489,560.96-26,903,332.80-13,211,529.60

Finding the Fourth Proportional to 19,489,560.96, 26,903,332.80 and 13,211,529.60

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Solution

The fourth proportional to 19,489,560.96, 26,903,332.80 and 13,211,529.60 is: 18,237,156.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,489,560.96 : 26,903,332.80 = 13,211,529.60 : x
  2. Step 2: Convert to fraction form
    19,489,560.96/26,903,332.80 = 13,211,529.60/x
  3. Step 3: Cross multiply
    19,489,560.96x = 26,903,332.80 × 13,211,529.60
  4. Step 4: Simplify right side
    19,489,560.96x = 355,434,177,625,850.88
  5. Step 5: Solve for x
    x = 355,434,177,625,850.88/19,489,560.96
  6. Step 6: Final answer
    x = 18,237,156.72

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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.