Finding the Fourth Proportional to 19,547,811.84, 26,880,320.97 and 16,965,008.58
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Solution
The fourth proportional to 19,547,811.84, 26,880,320.97 and 16,965,008.58 is: 23,328,691.70
Step by Step Solution
- Step 1: Write the proportion equation
19,547,811.84 : 26,880,320.97 = 16,965,008.58 : x - Step 2: Convert to fraction form
19,547,811.84/26,880,320.97 = 16,965,008.58/x - Step 3: Cross multiply
19,547,811.84x = 26,880,320.97 × 16,965,008.58 - Step 4: Simplify right side
19,547,811.84x = 456,024,875,889,203.88 - Step 5: Solve for x
x = 456,024,875,889,203.88/19,547,811.84 - Step 6: Final answer
x = 23,328,691.70
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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.