Home / 30,516,145.56-42,112,104.54-16,764,813.72

Finding the Fourth Proportional to 30,516,145.56, 42,112,104.54 and 16,764,813.72

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Solution

The fourth proportional to 30,516,145.56, 42,112,104.54 and 16,764,813.72 is: 23,135,346.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,516,145.56 : 42,112,104.54 = 16,764,813.72 : x
  2. Step 2: Convert to fraction form
    30,516,145.56/42,112,104.54 = 16,764,813.72/x
  3. Step 3: Cross multiply
    30,516,145.56x = 42,112,104.54 × 16,764,813.72
  4. Step 4: Simplify right side
    30,516,145.56x = 706,001,587,970,266.25
  5. Step 5: Solve for x
    x = 706,001,587,970,266.25/30,516,145.56
  6. Step 6: Final answer
    x = 23,135,346.06

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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.