Finding the Fourth Proportional to 8,769,931.47, 12,102,553.98 and 4,902,615.63
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Solution
The fourth proportional to 8,769,931.47, 12,102,553.98 and 4,902,615.63 is: 6,765,636.71
Step by Step Solution
- Step 1: Write the proportion equation
8,769,931.47 : 12,102,553.98 = 4,902,615.63 : x - Step 2: Convert to fraction form
8,769,931.47/12,102,553.98 = 4,902,615.63/x - Step 3: Cross multiply
8,769,931.47x = 12,102,553.98 × 4,902,615.63 - Step 4: Simplify right side
8,769,931.47x = 59,334,170,305,266.71 - Step 5: Solve for x
x = 59,334,170,305,266.71/8,769,931.47 - Step 6: Final answer
x = 6,765,636.71
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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.