Home / 28,271,458.44-42,402,139.08-7,522,015.80

Finding the Fourth Proportional to 28,271,458.44, 42,402,139.08 and 7,522,015.80

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Solution

The fourth proportional to 28,271,458.44, 42,402,139.08 and 7,522,015.80 is: 11,281,680.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,271,458.44 : 42,402,139.08 = 7,522,015.80 : x
  2. Step 2: Convert to fraction form
    28,271,458.44/42,402,139.08 = 7,522,015.80/x
  3. Step 3: Cross multiply
    28,271,458.44x = 42,402,139.08 × 7,522,015.80
  4. Step 4: Simplify right side
    28,271,458.44x = 318,949,560,113,557.44
  5. Step 5: Solve for x
    x = 318,949,560,113,557.44/28,271,458.44
  6. Step 6: Final answer
    x = 11,281,680.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.