Home / 15,413,796-21,271,038.48-8,538,723.36

Finding the Fourth Proportional to 15,413,796, 21,271,038.48 and 8,538,723.36

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Solution

The fourth proportional to 15,413,796, 21,271,038.48 and 8,538,723.36 is: 11,783,438.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,413,796 : 21,271,038.48 = 8,538,723.36 : x
  2. Step 2: Convert to fraction form
    15,413,796/21,271,038.48 = 8,538,723.36/x
  3. Step 3: Cross multiply
    15,413,796x = 21,271,038.48 × 8,538,723.36
  4. Step 4: Simplify right side
    15,413,796x = 181,627,513,160,634.88
  5. Step 5: Solve for x
    x = 181,627,513,160,634.88/15,413,796
  6. Step 6: Final answer
    x = 11,783,438.24

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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.