Home / 31,068,291.20-42,892,633.22-27,621,010.58

Finding the Fourth Proportional to 31,068,291.20, 42,892,633.22 and 27,621,010.58

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Solution

The fourth proportional to 31,068,291.20, 42,892,633.22 and 27,621,010.58 is: 38,133,345.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,068,291.20 : 42,892,633.22 = 27,621,010.58 : x
  2. Step 2: Convert to fraction form
    31,068,291.20/42,892,633.22 = 27,621,010.58/x
  3. Step 3: Cross multiply
    31,068,291.20x = 42,892,633.22 × 27,621,010.58
  4. Step 4: Simplify right side
    31,068,291.20x = 1,184,737,875,621,111.25
  5. Step 5: Solve for x
    x = 1,184,737,875,621,111.25/31,068,291.20
  6. Step 6: Final answer
    x = 38,133,345.29

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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.