Home / 30,871,112.29-42,602,195.86-16,932,580.85

Finding the Fourth Proportional to 30,871,112.29, 42,602,195.86 and 16,932,580.85

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Solution

The fourth proportional to 30,871,112.29, 42,602,195.86 and 16,932,580.85 is: 23,366,994.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,871,112.29 : 42,602,195.86 = 16,932,580.85 : x
  2. Step 2: Convert to fraction form
    30,871,112.29/42,602,195.86 = 16,932,580.85/x
  3. Step 3: Cross multiply
    30,871,112.29x = 42,602,195.86 × 16,932,580.85
  4. Step 4: Simplify right side
    30,871,112.29x = 721,365,125,786,985.38
  5. Step 5: Solve for x
    x = 721,365,125,786,985.38/30,871,112.29
  6. Step 6: Final answer
    x = 23,366,994.98

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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.