Home / 10,285,446.39-15,430,739.35-7,258,720.41

Finding the Fourth Proportional to 10,285,446.39, 15,430,739.35 and 7,258,720.41

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Solution

The fourth proportional to 10,285,446.39, 15,430,739.35 and 7,258,720.41 is: 10,889,894.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,285,446.39 : 15,430,739.35 = 7,258,720.41 : x
  2. Step 2: Convert to fraction form
    10,285,446.39/15,430,739.35 = 7,258,720.41/x
  3. Step 3: Cross multiply
    10,285,446.39x = 15,430,739.35 × 7,258,720.41
  4. Step 4: Simplify right side
    10,285,446.39x = 112,007,422,661,235.14
  5. Step 5: Solve for x
    x = 112,007,422,661,235.14/10,285,446.39
  6. Step 6: Final answer
    x = 10,889,894.17

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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.