Home / 12,853,613.79-17,737,986.69-7,347,107.43

Finding the Fourth Proportional to 12,853,613.79, 17,737,986.69 and 7,347,107.43

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Solution

The fourth proportional to 12,853,613.79, 17,737,986.69 and 7,347,107.43 is: 10,139,008.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,853,613.79 : 17,737,986.69 = 7,347,107.43 : x
  2. Step 2: Convert to fraction form
    12,853,613.79/17,737,986.69 = 7,347,107.43/x
  3. Step 3: Cross multiply
    12,853,613.79x = 17,737,986.69 × 7,347,107.43
  4. Step 4: Simplify right side
    12,853,613.79x = 130,322,893,803,340.11
  5. Step 5: Solve for x
    x = 130,322,893,803,340.11/12,853,613.79
  6. Step 6: Final answer
    x = 10,139,008.06

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1.5x scale

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.