Finding the Fourth Proportional to 17,778,853.10, 26,668,279.66 and 13,299,877.10
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Solution
The fourth proportional to 17,778,853.10, 26,668,279.66 and 13,299,877.10 is: 19,949,815.66
Step by Step Solution
- Step 1: Write the proportion equation
17,778,853.10 : 26,668,279.66 = 13,299,877.10 : x - Step 2: Convert to fraction form
17,778,853.10/26,668,279.66 = 13,299,877.10/x - Step 3: Cross multiply
17,778,853.10x = 26,668,279.66 × 13,299,877.10 - Step 4: Simplify right side
17,778,853.10x = 354,684,841,946,429.75 - Step 5: Solve for x
x = 354,684,841,946,429.75/17,778,853.10 - Step 6: Final answer
x = 19,949,815.66
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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.