Home / 8,230,451.04-11,332,109.44-6,987,603.12

Finding the Fourth Proportional to 8,230,451.04, 11,332,109.44 and 6,987,603.12

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Solution

The fourth proportional to 8,230,451.04, 11,332,109.44 and 6,987,603.12 is: 9,620,892.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,230,451.04 : 11,332,109.44 = 6,987,603.12 : x
  2. Step 2: Convert to fraction form
    8,230,451.04/11,332,109.44 = 6,987,603.12/x
  3. Step 3: Cross multiply
    8,230,451.04x = 11,332,109.44 × 6,987,603.12
  4. Step 4: Simplify right side
    8,230,451.04x = 79,184,283,279,125.45
  5. Step 5: Solve for x
    x = 79,184,283,279,125.45/8,230,451.04
  6. Step 6: Final answer
    x = 9,620,892.33

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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.