Home / 15,348,646.26-21,181,199.49-8,473,184.82

Finding the Fourth Proportional to 15,348,646.26, 21,181,199.49 and 8,473,184.82

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Solution

The fourth proportional to 15,348,646.26, 21,181,199.49 and 8,473,184.82 is: 11,693,032.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,348,646.26 : 21,181,199.49 = 8,473,184.82 : x
  2. Step 2: Convert to fraction form
    15,348,646.26/21,181,199.49 = 8,473,184.82/x
  3. Step 3: Cross multiply
    15,348,646.26x = 21,181,199.49 × 8,473,184.82
  4. Step 4: Simplify right side
    15,348,646.26x = 179,472,217,988,059.72
  5. Step 5: Solve for x
    x = 179,472,217,988,059.72/15,348,646.26
  6. Step 6: Final answer
    x = 11,693,032.40

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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.