Home / 30,465,883.56-42,042,919.32-17,413,422.73

Finding the Fourth Proportional to 30,465,883.56, 42,042,919.32 and 17,413,422.73

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Solution

The fourth proportional to 30,465,883.56, 42,042,919.32 and 17,413,422.73 is: 24,030,523.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,465,883.56 : 42,042,919.32 = 17,413,422.73 : x
  2. Step 2: Convert to fraction form
    30,465,883.56/42,042,919.32 = 17,413,422.73/x
  3. Step 3: Cross multiply
    30,465,883.56x = 42,042,919.32 × 17,413,422.73
  4. Step 4: Simplify right side
    30,465,883.56x = 732,111,127,009,280.75
  5. Step 5: Solve for x
    x = 732,111,127,009,280.75/30,465,883.56
  6. Step 6: Final answer
    x = 24,030,523.37

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1.5x scale

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.