Home / 6,415,435.30-9,623,165.37-1,557,721.42

Finding the Fourth Proportional to 6,415,435.30, 9,623,165.37 and 1,557,721.42

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Solution

The fourth proportional to 6,415,435.30, 9,623,165.37 and 1,557,721.42 is: 2,336,585.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,415,435.30 : 9,623,165.37 = 1,557,721.42 : x
  2. Step 2: Convert to fraction form
    6,415,435.30/9,623,165.37 = 1,557,721.42/x
  3. Step 3: Cross multiply
    6,415,435.30x = 9,623,165.37 × 1,557,721.42
  4. Step 4: Simplify right side
    6,415,435.30x = 14,990,210,825,051.22
  5. Step 5: Solve for x
    x = 14,990,210,825,051.22/6,415,435.30
  6. Step 6: Final answer
    x = 2,336,585.15

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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.