Home / 7,194,652.47-9,928,646.18-3,931,467.16

Finding the Fourth Proportional to 7,194,652.47, 9,928,646.18 and 3,931,467.16

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Solution

The fourth proportional to 7,194,652.47, 9,928,646.18 and 3,931,467.16 is: 5,425,438.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,194,652.47 : 9,928,646.18 = 3,931,467.16 : x
  2. Step 2: Convert to fraction form
    7,194,652.47/9,928,646.18 = 3,931,467.16/x
  3. Step 3: Cross multiply
    7,194,652.47x = 9,928,646.18 × 3,931,467.16
  4. Step 4: Simplify right side
    7,194,652.47x = 39,034,146,380,272.12
  5. Step 5: Solve for x
    x = 39,034,146,380,272.12/7,194,652.47
  6. Step 6: Final answer
    x = 5,425,438.76

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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.