Home / 11,392,061.20-17,088,091.80-7,145,328.40

Finding the Fourth Proportional to 11,392,061.20, 17,088,091.80 and 7,145,328.40

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Solution

The fourth proportional to 11,392,061.20, 17,088,091.80 and 7,145,328.40 is: 10,717,992.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,392,061.20 : 17,088,091.80 = 7,145,328.40 : x
  2. Step 2: Convert to fraction form
    11,392,061.20/17,088,091.80 = 7,145,328.40/x
  3. Step 3: Cross multiply
    11,392,061.20x = 17,088,091.80 × 7,145,328.40
  4. Step 4: Simplify right side
    11,392,061.20x = 122,100,027,640,347.12
  5. Step 5: Solve for x
    x = 122,100,027,640,347.12/11,392,061.20
  6. Step 6: Final answer
    x = 10,717,992.60

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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.