Home / 30,871,297.48-42,602,452.06-16,932,766.46

Finding the Fourth Proportional to 30,871,297.48, 42,602,452.06 and 16,932,766.46

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Solution

The fourth proportional to 30,871,297.48, 42,602,452.06 and 16,932,766.46 is: 23,367,251.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,871,297.48 : 42,602,452.06 = 16,932,766.46 : x
  2. Step 2: Convert to fraction form
    30,871,297.48/42,602,452.06 = 16,932,766.46/x
  3. Step 3: Cross multiply
    30,871,297.48x = 42,602,452.06 × 16,932,766.46
  4. Step 4: Simplify right side
    30,871,297.48x = 721,377,371,355,326
  5. Step 5: Solve for x
    x = 721,377,371,355,326/30,871,297.48
  6. Step 6: Final answer
    x = 23,367,251.47

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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.