Finding the Fourth Proportional to 13,875,747.30, 19,148,299.29 and 7,680,661.02
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Solution
The fourth proportional to 13,875,747.30, 19,148,299.29 and 7,680,661.02 is: 10,599,183.80
Step by Step Solution
- Step 1: Write the proportion equation
13,875,747.30 : 19,148,299.29 = 7,680,661.02 : x - Step 2: Convert to fraction form
13,875,747.30/19,148,299.29 = 7,680,661.02/x - Step 3: Cross multiply
13,875,747.30x = 19,148,299.29 × 7,680,661.02 - Step 4: Simplify right side
13,875,747.30x = 147,071,595,955,996.66 - Step 5: Solve for x
x = 147,071,595,955,996.66/13,875,747.30 - Step 6: Final answer
x = 10,599,183.80
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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.