Finding the Fourth Proportional to 19,853,602.97, 29,771,940.70 and 7,555,467.74
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Solution
The fourth proportional to 19,853,602.97, 29,771,940.70 and 7,555,467.74 is: 11,329,980.65
Step by Step Solution
- Step 1: Write the proportion equation
19,853,602.97 : 29,771,940.70 = 7,555,467.74 : x - Step 2: Convert to fraction form
19,853,602.97/29,771,940.70 = 7,555,467.74/x - Step 3: Cross multiply
19,853,602.97x = 29,771,940.70 × 7,555,467.74 - Step 4: Simplify right side
19,853,602.97x = 224,940,937,478,265.69 - Step 5: Solve for x
x = 224,940,937,478,265.69/19,853,602.97 - Step 6: Final answer
x = 11,329,980.65
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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.