Home / 13,303,481.40-19,955,222.10-5,213,768.40

Finding the Fourth Proportional to 13,303,481.40, 19,955,222.10 and 5,213,768.40

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Solution

The fourth proportional to 13,303,481.40, 19,955,222.10 and 5,213,768.40 is: 7,820,652.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,303,481.40 : 19,955,222.10 = 5,213,768.40 : x
  2. Step 2: Convert to fraction form
    13,303,481.40/19,955,222.10 = 5,213,768.40/x
  3. Step 3: Cross multiply
    13,303,481.40x = 19,955,222.10 × 5,213,768.40
  4. Step 4: Simplify right side
    13,303,481.40x = 104,041,906,399,961.66
  5. Step 5: Solve for x
    x = 104,041,906,399,961.66/13,303,481.40
  6. Step 6: Final answer
    x = 7,820,652.60

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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.