Home / 32,643,004.38-45,028,639.31-20,398,603.74

Finding the Fourth Proportional to 32,643,004.38, 45,028,639.31 and 20,398,603.74

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Solution

The fourth proportional to 32,643,004.38, 45,028,639.31 and 20,398,603.74 is: 28,138,383.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,643,004.38 : 45,028,639.31 = 20,398,603.74 : x
  2. Step 2: Convert to fraction form
    32,643,004.38/45,028,639.31 = 20,398,603.74/x
  3. Step 3: Cross multiply
    32,643,004.38x = 45,028,639.31 × 20,398,603.74
  4. Step 4: Simplify right side
    32,643,004.38x = 918,521,370,134,083.88
  5. Step 5: Solve for x
    x = 918,521,370,134,083.88/32,643,004.38
  6. Step 6: Final answer
    x = 28,138,383.33

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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.