Home / 18,148,549.80-25,046,763.72-13,556,899.56

Finding the Fourth Proportional to 18,148,549.80, 25,046,763.72 and 13,556,899.56

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Solution

The fourth proportional to 18,148,549.80, 25,046,763.72 and 13,556,899.56 is: 18,709,839.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,148,549.80 : 25,046,763.72 = 13,556,899.56 : x
  2. Step 2: Convert to fraction form
    18,148,549.80/25,046,763.72 = 13,556,899.56/x
  3. Step 3: Cross multiply
    18,148,549.80x = 25,046,763.72 × 13,556,899.56
  4. Step 4: Simplify right side
    18,148,549.80x = 339,556,460,055,091.94
  5. Step 5: Solve for x
    x = 339,556,460,055,091.94/18,148,549.80
  6. Step 6: Final answer
    x = 18,709,839.84

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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.