Finding the Fourth Proportional to 26,560,116.84, 36,653,037.15 and 15,398,778.95
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Solution
The fourth proportional to 26,560,116.84, 36,653,037.15 and 15,398,778.95 is: 21,250,358.95
Step by Step Solution
- Step 1: Write the proportion equation
26,560,116.84 : 36,653,037.15 = 15,398,778.95 : x - Step 2: Convert to fraction form
26,560,116.84/36,653,037.15 = 15,398,778.95/x - Step 3: Cross multiply
26,560,116.84x = 36,653,037.15 × 15,398,778.95 - Step 4: Simplify right side
26,560,116.84x = 564,412,016,735,722.75 - Step 5: Solve for x
x = 564,412,016,735,722.75/26,560,116.84 - Step 6: Final answer
x = 21,250,358.95
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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.