Home / 12,726,648.64-17,562,742.68-6,925,428.91

Finding the Fourth Proportional to 12,726,648.64, 17,562,742.68 and 6,925,428.91

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Solution

The fourth proportional to 12,726,648.64, 17,562,742.68 and 6,925,428.91 is: 9,557,074.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,726,648.64 : 17,562,742.68 = 6,925,428.91 : x
  2. Step 2: Convert to fraction form
    12,726,648.64/17,562,742.68 = 6,925,428.91/x
  3. Step 3: Cross multiply
    12,726,648.64x = 17,562,742.68 × 6,925,428.91
  4. Step 4: Simplify right side
    12,726,648.64x = 121,629,525,894,962.88
  5. Step 5: Solve for x
    x = 121,629,525,894,962.88/12,726,648.64
  6. Step 6: Final answer
    x = 9,557,074.24

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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.