Finding the Fourth Proportional to 19,848,859.84, 29,750,973.72 and 10,106,125.57
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Solution
The fourth proportional to 19,848,859.84, 29,750,973.72 and 10,106,125.57 is: 15,147,826.05
Step by Step Solution
- Step 1: Write the proportion equation
19,848,859.84 : 29,750,973.72 = 10,106,125.57 : x - Step 2: Convert to fraction form
19,848,859.84/29,750,973.72 = 10,106,125.57/x - Step 3: Cross multiply
19,848,859.84x = 29,750,973.72 × 10,106,125.57 - Step 4: Simplify right side
19,848,859.84x = 300,667,076,244,090 - Step 5: Solve for x
x = 300,667,076,244,090/19,848,859.84 - Step 6: Final answer
x = 15,147,826.05
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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.