Home / 13,788,118.43-19,026,726.57-8,281,725.38

Finding the Fourth Proportional to 13,788,118.43, 19,026,726.57 and 8,281,725.38

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Solution

The fourth proportional to 13,788,118.43, 19,026,726.57 and 8,281,725.38 is: 11,428,254.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,788,118.43 : 19,026,726.57 = 8,281,725.38 : x
  2. Step 2: Convert to fraction form
    13,788,118.43/19,026,726.57 = 8,281,725.38/x
  3. Step 3: Cross multiply
    13,788,118.43x = 19,026,726.57 × 8,281,725.38
  4. Step 4: Simplify right side
    13,788,118.43x = 157,574,124,237,955.72
  5. Step 5: Solve for x
    x = 157,574,124,237,955.72/13,788,118.43
  6. Step 6: Final answer
    x = 11,428,254.34

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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.