Home / 13,394,345.60-18,483,687.36-7,282,779.20

Finding the Fourth Proportional to 13,394,345.60, 18,483,687.36 and 7,282,779.20

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Solution

The fourth proportional to 13,394,345.60, 18,483,687.36 and 7,282,779.20 is: 10,049,958.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,394,345.60 : 18,483,687.36 = 7,282,779.20 : x
  2. Step 2: Convert to fraction form
    13,394,345.60/18,483,687.36 = 7,282,779.20/x
  3. Step 3: Cross multiply
    13,394,345.60x = 18,483,687.36 × 7,282,779.20
  4. Step 4: Simplify right side
    13,394,345.60x = 134,612,613,844,710.91
  5. Step 5: Solve for x
    x = 134,612,613,844,710.91/13,394,345.60
  6. Step 6: Final answer
    x = 10,049,958.23

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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.