Home / 8,918,124.40-13,377,186.60-8,320,927.60

Finding the Fourth Proportional to 8,918,124.40, 13,377,186.60 and 8,320,927.60

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Solution

The fourth proportional to 8,918,124.40, 13,377,186.60 and 8,320,927.60 is: 12,481,391.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,918,124.40 : 13,377,186.60 = 8,320,927.60 : x
  2. Step 2: Convert to fraction form
    8,918,124.40/13,377,186.60 = 8,320,927.60/x
  3. Step 3: Cross multiply
    8,918,124.40x = 13,377,186.60 × 8,320,927.60
  4. Step 4: Simplify right side
    8,918,124.40x = 111,310,601,190,290.16
  5. Step 5: Solve for x
    x = 111,310,601,190,290.16/8,918,124.40
  6. Step 6: Final answer
    x = 12,481,391.40

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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.