Finding the Fourth Proportional to 19,690,612.58, 29,539,068.15 and 8,331,159.62
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Solution
The fourth proportional to 19,690,612.58, 29,539,068.15 and 8,331,159.62 is: 12,498,071.90
Step by Step Solution
- Step 1: Write the proportion equation
19,690,612.58 : 29,539,068.15 = 8,331,159.62 : x - Step 2: Convert to fraction form
19,690,612.58/29,539,068.15 = 8,331,159.62/x - Step 3: Cross multiply
19,690,612.58x = 29,539,068.15 × 8,331,159.62 - Step 4: Simplify right side
19,690,612.58x = 246,094,691,888,797.59 - Step 5: Solve for x
x = 246,094,691,888,797.59/19,690,612.58 - Step 6: Final answer
x = 12,498,071.90
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.