Home / 30,610,035.66-42,241,849.22-16,858,999.78

Finding the Fourth Proportional to 30,610,035.66, 42,241,849.22 and 16,858,999.78

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Solution

The fourth proportional to 30,610,035.66, 42,241,849.22 and 16,858,999.78 is: 23,265,419.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,610,035.66 : 42,241,849.22 = 16,858,999.78 : x
  2. Step 2: Convert to fraction form
    30,610,035.66/42,241,849.22 = 16,858,999.78/x
  3. Step 3: Cross multiply
    30,610,035.66x = 42,241,849.22 × 16,858,999.78
  4. Step 4: Simplify right side
    30,610,035.66x = 712,155,326,706,773.25
  5. Step 5: Solve for x
    x = 712,155,326,706,773.25/30,610,035.66
  6. Step 6: Final answer
    x = 23,265,419.70

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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.