Finding the Fourth Proportional to 20,831,547.94, 31,248,816.57 and 7,184,493.63
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Solution
The fourth proportional to 20,831,547.94, 31,248,816.57 and 7,184,493.63 is: 10,777,255.93
Step by Step Solution
- Step 1: Write the proportion equation
20,831,547.94 : 31,248,816.57 = 7,184,493.63 : x - Step 2: Convert to fraction form
20,831,547.94/31,248,816.57 = 7,184,493.63/x - Step 3: Cross multiply
20,831,547.94x = 31,248,816.57 × 7,184,493.63 - Step 4: Simplify right side
20,831,547.94x = 224,506,923,592,203.44 - Step 5: Solve for x
x = 224,506,923,592,203.44/20,831,547.94 - Step 6: Final answer
x = 10,777,255.93
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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.