Home / 8,500,129.76-11,729,878.98-4,632,574.16

Finding the Fourth Proportional to 8,500,129.76, 11,729,878.98 and 4,632,574.16

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Solution

The fourth proportional to 8,500,129.76, 11,729,878.98 and 4,632,574.16 is: 6,392,788.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,500,129.76 : 11,729,878.98 = 4,632,574.16 : x
  2. Step 2: Convert to fraction form
    8,500,129.76/11,729,878.98 = 4,632,574.16/x
  3. Step 3: Cross multiply
    8,500,129.76x = 11,729,878.98 × 4,632,574.16
  4. Step 4: Simplify right side
    8,500,129.76x = 54,339,534,262,675.16
  5. Step 5: Solve for x
    x = 54,339,534,262,675.16/8,500,129.76
  6. Step 6: Final answer
    x = 6,392,788.79

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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.