Finding the Fourth Proportional to 19,714,858.80, 29,582,875.08 and 8,208,269.52
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Solution
The fourth proportional to 19,714,858.80, 29,582,875.08 and 8,208,269.52 is: 12,316,812.12
Step by Step Solution
- Step 1: Write the proportion equation
19,714,858.80 : 29,582,875.08 = 8,208,269.52 : x - Step 2: Convert to fraction form
19,714,858.80/29,582,875.08 = 8,208,269.52/x - Step 3: Cross multiply
19,714,858.80x = 29,582,875.08 × 8,208,269.52 - Step 4: Simplify right side
19,714,858.80x = 242,824,211,833,131.53 - Step 5: Solve for x
x = 242,824,211,833,131.53/19,714,858.80 - Step 6: Final answer
x = 12,316,812.12
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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.