Finding the Fourth Proportional to 13,497,267.36, 18,626,177.91 and 7,302,294.63
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Solution
The fourth proportional to 13,497,267.36, 18,626,177.91 and 7,302,294.63 is: 10,077,138.97
Step by Step Solution
- Step 1: Write the proportion equation
13,497,267.36 : 18,626,177.91 = 7,302,294.63 : x - Step 2: Convert to fraction form
13,497,267.36/18,626,177.91 = 7,302,294.63/x - Step 3: Cross multiply
13,497,267.36x = 18,626,177.91 × 7,302,294.63 - Step 4: Simplify right side
13,497,267.36x = 136,013,838,929,617.62 - Step 5: Solve for x
x = 136,013,838,929,617.62/13,497,267.36 - Step 6: Final answer
x = 10,077,138.97
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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.