Finding the Fourth Proportional to 17,768,863.24, 26,654,921.44 and 4,989,281.74
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Solution
The fourth proportional to 17,768,863.24, 26,654,921.44 and 4,989,281.74 is: 7,484,379.33
Step by Step Solution
- Step 1: Write the proportion equation
17,768,863.24 : 26,654,921.44 = 4,989,281.74 : x - Step 2: Convert to fraction form
17,768,863.24/26,654,921.44 = 4,989,281.74/x - Step 3: Cross multiply
17,768,863.24x = 26,654,921.44 × 4,989,281.74 - Step 4: Simplify right side
17,768,863.24x = 132,988,912,821,726.52 - Step 5: Solve for x
x = 132,988,912,821,726.52/17,768,863.24 - Step 6: Final answer
x = 7,484,379.33
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.