Finding the Fourth Proportional to 6,830,633.30, 9,426,283.13 and 3,929,965.99
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Solution
The fourth proportional to 6,830,633.30, 9,426,283.13 and 3,929,965.99 is: 5,423,358.35
Step by Step Solution
- Step 1: Write the proportion equation
6,830,633.30 : 9,426,283.13 = 3,929,965.99 : x - Step 2: Convert to fraction form
6,830,633.30/9,426,283.13 = 3,929,965.99/x - Step 3: Cross multiply
6,830,633.30x = 9,426,283.13 × 3,929,965.99 - Step 4: Simplify right side
6,830,633.30x = 37,044,972,099,269.95 - Step 5: Solve for x
x = 37,044,972,099,269.95/6,830,633.30 - Step 6: Final answer
x = 5,423,358.35
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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.