Finding the Fourth Proportional to 51,272,694, 70,756,311.99 and 27,751,226.70
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Solution
The fourth proportional to 51,272,694, 70,756,311.99 and 27,751,226.70 is: 38,296,689.74
Step by Step Solution
- Step 1: Write the proportion equation
51,272,694 : 70,756,311.99 = 27,751,226.70 : x - Step 2: Convert to fraction form
51,272,694/70,756,311.99 = 27,751,226.70/x - Step 3: Cross multiply
51,272,694x = 70,756,311.99 × 27,751,226.70 - Step 4: Simplify right side
51,272,694x = 1,963,574,454,490,418 - Step 5: Solve for x
x = 1,963,574,454,490,418/51,272,694 - Step 6: Final answer
x = 38,296,689.74
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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.