Finding the Fourth Proportional to 10,859,328.69, 14,988,483.41 and 6,215,805.84
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Solution
The fourth proportional to 10,859,328.69, 14,988,483.41 and 6,215,805.84 is: 8,579,305.90
Step by Step Solution
- Step 1: Write the proportion equation
10,859,328.69 : 14,988,483.41 = 6,215,805.84 : x - Step 2: Convert to fraction form
10,859,328.69/14,988,483.41 = 6,215,805.84/x - Step 3: Cross multiply
10,859,328.69x = 14,988,483.41 × 6,215,805.84 - Step 4: Simplify right side
10,859,328.69x = 93,165,502,712,621.11 - Step 5: Solve for x
x = 93,165,502,712,621.11/10,859,328.69 - Step 6: Final answer
x = 8,579,305.90
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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.