Finding the Fourth Proportional to 7,615,498.98, 11,423,101.05 and 1,858,270.08
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Solution
The fourth proportional to 7,615,498.98, 11,423,101.05 and 1,858,270.08 is: 2,787,369.15
Step by Step Solution
- Step 1: Write the proportion equation
7,615,498.98 : 11,423,101.05 = 1,858,270.08 : x - Step 2: Convert to fraction form
7,615,498.98/11,423,101.05 = 1,858,270.08/x - Step 3: Cross multiply
7,615,498.98x = 11,423,101.05 × 1,858,270.08 - Step 4: Simplify right side
7,615,498.98x = 21,227,206,902,031.59 - Step 5: Solve for x
x = 21,227,206,902,031.59/7,615,498.98 - Step 6: Final answer
x = 2,787,369.15
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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.