Finding the Fourth Proportional to 14,232,520.86, 19,640,888.04 and 7,706,154.74
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Solution
The fourth proportional to 14,232,520.86, 19,640,888.04 and 7,706,154.74 is: 10,634,498.55
Step by Step Solution
- Step 1: Write the proportion equation
14,232,520.86 : 19,640,888.04 = 7,706,154.74 : x - Step 2: Convert to fraction form
14,232,520.86/19,640,888.04 = 7,706,154.74/x - Step 3: Cross multiply
14,232,520.86x = 19,640,888.04 × 7,706,154.74 - Step 4: Simplify right side
14,232,520.86x = 151,355,722,467,255.31 - Step 5: Solve for x
x = 151,355,722,467,255.31/14,232,520.86 - Step 6: Final answer
x = 10,634,498.55
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.