Home / 6,417,112.80-9,625,669.20-5,157,400.80

Finding the Fourth Proportional to 6,417,112.80, 9,625,669.20 and 5,157,400.80

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Solution

The fourth proportional to 6,417,112.80, 9,625,669.20 and 5,157,400.80 is: 7,736,101.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,417,112.80 : 9,625,669.20 = 5,157,400.80 : x
  2. Step 2: Convert to fraction form
    6,417,112.80/9,625,669.20 = 5,157,400.80/x
  3. Step 3: Cross multiply
    6,417,112.80x = 9,625,669.20 × 5,157,400.80
  4. Step 4: Simplify right side
    6,417,112.80x = 49,643,434,032,615.35
  5. Step 5: Solve for x
    x = 49,643,434,032,615.35/6,417,112.80
  6. Step 6: Final answer
    x = 7,736,101.20

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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.