Finding the Fourth Proportional to 15,519,657.06, 21,417,132.66 and 8,997,067.62
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Solution
The fourth proportional to 15,519,657.06, 21,417,132.66 and 8,997,067.62 is: 12,415,956.75
Step by Step Solution
- Step 1: Write the proportion equation
15,519,657.06 : 21,417,132.66 = 8,997,067.62 : x - Step 2: Convert to fraction form
15,519,657.06/21,417,132.66 = 8,997,067.62/x - Step 3: Cross multiply
15,519,657.06x = 21,417,132.66 × 8,997,067.62 - Step 4: Simplify right side
15,519,657.06x = 192,691,390,768,530.44 - Step 5: Solve for x
x = 192,691,390,768,530.44/15,519,657.06 - Step 6: Final answer
x = 12,415,956.75
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.