Finding the Fourth Proportional to 10,072,853.16, 15,112,233.18 and 3,249,289.32
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Solution
The fourth proportional to 10,072,853.16, 15,112,233.18 and 3,249,289.32 is: 4,874,886.70
Step by Step Solution
- Step 1: Write the proportion equation
10,072,853.16 : 15,112,233.18 = 3,249,289.32 : x - Step 2: Convert to fraction form
10,072,853.16/15,112,233.18 = 3,249,289.32/x - Step 3: Cross multiply
10,072,853.16x = 15,112,233.18 × 3,249,289.32 - Step 4: Simplify right side
10,072,853.16x = 49,104,017,873,123.63 - Step 5: Solve for x
x = 49,104,017,873,123.63/10,072,853.16 - Step 6: Final answer
x = 4,874,886.70
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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.