Home / 6,448,065.60-9,658,101.60-5,328,321.60

Finding the Fourth Proportional to 6,448,065.60, 9,658,101.60 and 5,328,321.60

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Solution

The fourth proportional to 6,448,065.60, 9,658,101.60 and 5,328,321.60 is: 7,980,916.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,448,065.60 : 9,658,101.60 = 5,328,321.60 : x
  2. Step 2: Convert to fraction form
    6,448,065.60/9,658,101.60 = 5,328,321.60/x
  3. Step 3: Cross multiply
    6,448,065.60x = 9,658,101.60 × 5,328,321.60
  4. Step 4: Simplify right side
    6,448,065.60x = 51,461,471,370,274.55
  5. Step 5: Solve for x
    x = 51,461,471,370,274.55/6,448,065.60
  6. Step 6: Final answer
    x = 7,980,916.23

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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.