Home / 13,521,554.27-18,659,809.85-7,326,599.33

Finding the Fourth Proportional to 13,521,554.27, 18,659,809.85 and 7,326,599.33

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Solution

The fourth proportional to 13,521,554.27, 18,659,809.85 and 7,326,599.33 is: 10,110,742.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,521,554.27 : 18,659,809.85 = 7,326,599.33 : x
  2. Step 2: Convert to fraction form
    13,521,554.27/18,659,809.85 = 7,326,599.33/x
  3. Step 3: Cross multiply
    13,521,554.27x = 18,659,809.85 × 7,326,599.33
  4. Step 4: Simplify right side
    13,521,554.27x = 136,712,950,284,979.64
  5. Step 5: Solve for x
    x = 136,712,950,284,979.64/13,521,554.27
  6. Step 6: Final answer
    x = 10,110,742.27

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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.