Home / 30,618,997.34-42,254,214.08-16,867,961.46

Finding the Fourth Proportional to 30,618,997.34, 42,254,214.08 and 16,867,961.46

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Solution

The fourth proportional to 30,618,997.34, 42,254,214.08 and 16,867,961.46 is: 23,277,785.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,618,997.34 : 42,254,214.08 = 16,867,961.46 : x
  2. Step 2: Convert to fraction form
    30,618,997.34/42,254,214.08 = 16,867,961.46/x
  3. Step 3: Cross multiply
    30,618,997.34x = 42,254,214.08 × 16,867,961.46
  4. Step 4: Simplify right side
    30,618,997.34x = 712,742,454,539,689.62
  5. Step 5: Solve for x
    x = 712,742,454,539,689.62/30,618,997.34
  6. Step 6: Final answer
    x = 23,277,785.58

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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.