Home / 9,687,438-13,369,079.16-5,395,086

Finding the Fourth Proportional to 9,687,438, 13,369,079.16 and 5,395,086

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Solution

The fourth proportional to 9,687,438, 13,369,079.16 and 5,395,086 is: 7,445,449.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,687,438 : 13,369,079.16 = 5,395,086 : x
  2. Step 2: Convert to fraction form
    9,687,438/13,369,079.16 = 5,395,086/x
  3. Step 3: Cross multiply
    9,687,438x = 13,369,079.16 × 5,395,086
  4. Step 4: Simplify right side
    9,687,438x = 72,127,331,809,007.77
  5. Step 5: Solve for x
    x = 72,127,331,809,007.77/9,687,438
  6. Step 6: Final answer
    x = 7,445,449.64

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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.