Finding the Fourth Proportional to 38,585,921.41, 57,834,852.13 and 15,542,106.13
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Solution
The fourth proportional to 38,585,921.41, 57,834,852.13 and 15,542,106.13 is: 23,295,424.26
Step by Step Solution
- Step 1: Write the proportion equation
38,585,921.41 : 57,834,852.13 = 15,542,106.13 : x - Step 2: Convert to fraction form
38,585,921.41/57,834,852.13 = 15,542,106.13/x - Step 3: Cross multiply
38,585,921.41x = 57,834,852.13 × 15,542,106.13 - Step 4: Simplify right side
38,585,921.41x = 898,875,409,817,316.62 - Step 5: Solve for x
x = 898,875,409,817,316.62/38,585,921.41 - Step 6: Final answer
x = 23,295,424.26
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.