Home / 12,452,653.72-17,185,087.94-7,225,267.18

Finding the Fourth Proportional to 12,452,653.72, 17,185,087.94 and 7,225,267.18

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Solution

The fourth proportional to 12,452,653.72, 17,185,087.94 and 7,225,267.18 is: 9,971,115.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,452,653.72 : 17,185,087.94 = 7,225,267.18 : x
  2. Step 2: Convert to fraction form
    12,452,653.72/17,185,087.94 = 7,225,267.18/x
  3. Step 3: Cross multiply
    12,452,653.72x = 17,185,087.94 × 7,225,267.18
  4. Step 4: Simplify right side
    12,452,653.72x = 124,166,851,878,295.81
  5. Step 5: Solve for x
    x = 124,166,851,878,295.81/12,452,653.72
  6. Step 6: Final answer
    x = 9,971,115.77

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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.