Home / 34,261,742.64-47,285,155.44-20,510,703.12

Finding the Fourth Proportional to 34,261,742.64, 47,285,155.44 and 20,510,703.12

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Solution

The fourth proportional to 34,261,742.64, 47,285,155.44 and 20,510,703.12 is: 28,307,135.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,261,742.64 : 47,285,155.44 = 20,510,703.12 : x
  2. Step 2: Convert to fraction form
    34,261,742.64/47,285,155.44 = 20,510,703.12/x
  3. Step 3: Cross multiply
    34,261,742.64x = 47,285,155.44 × 20,510,703.12
  4. Step 4: Simplify right side
    34,261,742.64x = 969,851,785,212,893
  5. Step 5: Solve for x
    x = 969,851,785,212,893/34,261,742.64
  6. Step 6: Final answer
    x = 28,307,135.32

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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.