Finding the Fourth Proportional to 19,754,799.30, 27,249,688.58 and 13,049,172.99
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Solution
The fourth proportional to 19,754,799.30, 27,249,688.58 and 13,049,172.99 is: 17,999,975.33
Step by Step Solution
- Step 1: Write the proportion equation
19,754,799.30 : 27,249,688.58 = 13,049,172.99 : x - Step 2: Convert to fraction form
19,754,799.30/27,249,688.58 = 13,049,172.99/x - Step 3: Cross multiply
19,754,799.30x = 27,249,688.58 × 13,049,172.99 - Step 4: Simplify right side
19,754,799.30x = 355,585,900,138,801.56 - Step 5: Solve for x
x = 355,585,900,138,801.56/19,754,799.30 - Step 6: Final answer
x = 17,999,975.33
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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.