Finding the Fourth Proportional to 31,653,972.70, 47,480,959.05 and 26,552,139.10
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Solution
The fourth proportional to 31,653,972.70, 47,480,959.05 and 26,552,139.10 is: 39,828,208.65
Step by Step Solution
- Step 1: Write the proportion equation
31,653,972.70 : 47,480,959.05 = 26,552,139.10 : x - Step 2: Convert to fraction form
31,653,972.70/47,480,959.05 = 26,552,139.10/x - Step 3: Cross multiply
31,653,972.70x = 47,480,959.05 × 26,552,139.10 - Step 4: Simplify right side
31,653,972.70x = 1,260,721,029,297,003.75 - Step 5: Solve for x
x = 1,260,721,029,297,003.75/31,653,972.70 - Step 6: Final answer
x = 39,828,208.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.