Home / 12,805,862.66-17,672,143.35-6,925,496.72

Finding the Fourth Proportional to 12,805,862.66, 17,672,143.35 and 6,925,496.72

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Solution

The fourth proportional to 12,805,862.66, 17,672,143.35 and 6,925,496.72 is: 9,557,214.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,805,862.66 : 17,672,143.35 = 6,925,496.72 : x
  2. Step 2: Convert to fraction form
    12,805,862.66/17,672,143.35 = 6,925,496.72/x
  3. Step 3: Cross multiply
    12,805,862.66x = 17,672,143.35 × 6,925,496.72
  4. Step 4: Simplify right side
    12,805,862.66x = 122,388,370,849,975.19
  5. Step 5: Solve for x
    x = 122,388,370,849,975.19/12,805,862.66
  6. Step 6: Final answer
    x = 9,557,214.07

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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.