Home / 13,316,480.40-18,371,514.30-7,733,776.57

Finding the Fourth Proportional to 13,316,480.40, 18,371,514.30 and 7,733,776.57

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Solution

The fourth proportional to 13,316,480.40, 18,371,514.30 and 7,733,776.57 is: 10,669,575.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,316,480.40 : 18,371,514.30 = 7,733,776.57 : x
  2. Step 2: Convert to fraction form
    13,316,480.40/18,371,514.30 = 7,733,776.57/x
  3. Step 3: Cross multiply
    13,316,480.40x = 18,371,514.30 × 7,733,776.57
  4. Step 4: Simplify right side
    13,316,480.40x = 142,081,186,848,759.97
  5. Step 5: Solve for x
    x = 142,081,186,848,759.97/13,316,480.40
  6. Step 6: Final answer
    x = 10,669,575.04

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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.