Home / 31,099,388.10-42,918,066.22-16,971,484.93

Finding the Fourth Proportional to 31,099,388.10, 42,918,066.22 and 16,971,484.93

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Solution

The fourth proportional to 31,099,388.10, 42,918,066.22 and 16,971,484.93 is: 23,421,146.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,099,388.10 : 42,918,066.22 = 16,971,484.93 : x
  2. Step 2: Convert to fraction form
    31,099,388.10/42,918,066.22 = 16,971,484.93/x
  3. Step 3: Cross multiply
    31,099,388.10x = 42,918,066.22 × 16,971,484.93
  4. Step 4: Simplify right side
    31,099,388.10x = 728,383,313,778,024.38
  5. Step 5: Solve for x
    x = 728,383,313,778,024.38/31,099,388.10
  6. Step 6: Final answer
    x = 23,421,146.15

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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.