Home / 15,249,992.77-21,027,210.21-11,375,787.88

Finding the Fourth Proportional to 15,249,992.77, 21,027,210.21 and 11,375,787.88

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Solution

The fourth proportional to 15,249,992.77, 21,027,210.21 and 11,375,787.88 is: 15,685,324.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,249,992.77 : 21,027,210.21 = 11,375,787.88 : x
  2. Step 2: Convert to fraction form
    15,249,992.77/21,027,210.21 = 11,375,787.88/x
  3. Step 3: Cross multiply
    15,249,992.77x = 21,027,210.21 × 11,375,787.88
  4. Step 4: Simplify right side
    15,249,992.77x = 239,201,083,109,698.28
  5. Step 5: Solve for x
    x = 239,201,083,109,698.28/15,249,992.77
  6. Step 6: Final answer
    x = 15,685,324.36

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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.