Finding the Fourth Proportional to 12,248,615.08, 16,902,445.62 and 6,740,937.28
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Solution
The fourth proportional to 12,248,615.08, 16,902,445.62 and 6,740,937.28 is: 9,302,139.47
Step by Step Solution
- Step 1: Write the proportion equation
12,248,615.08 : 16,902,445.62 = 6,740,937.28 : x - Step 2: Convert to fraction form
12,248,615.08/16,902,445.62 = 6,740,937.28/x - Step 3: Cross multiply
12,248,615.08x = 16,902,445.62 × 6,740,937.28 - Step 4: Simplify right side
12,248,615.08x = 113,938,325,803,030.72 - Step 5: Solve for x
x = 113,938,325,803,030.72/12,248,615.08 - Step 6: Final answer
x = 9,302,139.47
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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.