Home / 9,071,238.54-13,611,221.12-5,658,649.21

Finding the Fourth Proportional to 9,071,238.54, 13,611,221.12 and 5,658,649.21

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Solution

The fourth proportional to 9,071,238.54, 13,611,221.12 and 5,658,649.21 is: 8,490,695.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,071,238.54 : 13,611,221.12 = 5,658,649.21 : x
  2. Step 2: Convert to fraction form
    9,071,238.54/13,611,221.12 = 5,658,649.21/x
  3. Step 3: Cross multiply
    9,071,238.54x = 13,611,221.12 × 5,658,649.21
  4. Step 4: Simplify right side
    9,071,238.54x = 77,021,125,637,823.31
  5. Step 5: Solve for x
    x = 77,021,125,637,823.31/9,071,238.54
  6. Step 6: Final answer
    x = 8,490,695.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.