Home / 8,858,581.60-13,303,618.80-6,465,128.80

Finding the Fourth Proportional to 8,858,581.60, 13,303,618.80 and 6,465,128.80

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Solution

The fourth proportional to 8,858,581.60, 13,303,618.80 and 6,465,128.80 is: 9,709,185.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,858,581.60 : 13,303,618.80 = 6,465,128.80 : x
  2. Step 2: Convert to fraction form
    8,858,581.60/13,303,618.80 = 6,465,128.80/x
  3. Step 3: Cross multiply
    8,858,581.60x = 13,303,618.80 × 6,465,128.80
  4. Step 4: Simplify right side
    8,858,581.60x = 86,009,609,048,101.44
  5. Step 5: Solve for x
    x = 86,009,609,048,101.44/8,858,581.60
  6. Step 6: Final answer
    x = 9,709,185.16

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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.