Finding the Fourth Proportional to 20,718,727.14, 31,083,316.42 and 6,885,758.46
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Solution
The fourth proportional to 20,718,727.14, 31,083,316.42 and 6,885,758.46 is: 10,330,374.43
Step by Step Solution
- Step 1: Write the proportion equation
20,718,727.14 : 31,083,316.42 = 6,885,758.46 : x - Step 2: Convert to fraction form
20,718,727.14/31,083,316.42 = 6,885,758.46/x - Step 3: Cross multiply
20,718,727.14x = 31,083,316.42 × 6,885,758.46 - Step 4: Simplify right side
20,718,727.14x = 214,032,209,003,871.94 - Step 5: Solve for x
x = 214,032,209,003,871.94/20,718,727.14 - Step 6: Final answer
x = 10,330,374.43
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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.