Home / 31,877,817.03-43,990,083.86-18,829,300.23

Finding the Fourth Proportional to 31,877,817.03, 43,990,083.86 and 18,829,300.23

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Solution

The fourth proportional to 31,877,817.03, 43,990,083.86 and 18,829,300.23 is: 25,983,664.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,877,817.03 : 43,990,083.86 = 18,829,300.23 : x
  2. Step 2: Convert to fraction form
    31,877,817.03/43,990,083.86 = 18,829,300.23/x
  3. Step 3: Cross multiply
    31,877,817.03x = 43,990,083.86 × 18,829,300.23
  4. Step 4: Simplify right side
    31,877,817.03x = 828,302,496,048,670.75
  5. Step 5: Solve for x
    x = 828,302,496,048,670.75/31,877,817.03
  6. Step 6: Final answer
    x = 25,983,664.29

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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.