Finding the Fourth Proportional to 7,445,763.04, 11,168,702.16 and 4,078,132.96
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Solution
The fourth proportional to 7,445,763.04, 11,168,702.16 and 4,078,132.96 is: 6,117,230.99
Step by Step Solution
- Step 1: Write the proportion equation
7,445,763.04 : 11,168,702.16 = 4,078,132.96 : x - Step 2: Convert to fraction form
7,445,763.04/11,168,702.16 = 4,078,132.96/x - Step 3: Cross multiply
7,445,763.04x = 11,168,702.16 × 4,078,132.96 - Step 4: Simplify right side
7,445,763.04x = 45,547,452,399,119.20 - Step 5: Solve for x
x = 45,547,452,399,119.20/7,445,763.04 - Step 6: Final answer
x = 6,117,230.99
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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.