Finding the Fourth Proportional to 7,656,407.79, 10,566,587.33 and 5,719,305.35
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Solution
The fourth proportional to 7,656,407.79, 10,566,587.33 and 5,719,305.35 is: 7,893,197.58
Step by Step Solution
- Step 1: Write the proportion equation
7,656,407.79 : 10,566,587.33 = 5,719,305.35 : x - Step 2: Convert to fraction form
7,656,407.79/10,566,587.33 = 5,719,305.35/x - Step 3: Cross multiply
7,656,407.79x = 10,566,587.33 × 5,719,305.35 - Step 4: Simplify right side
7,656,407.79x = 60,433,539,447,711.21 - Step 5: Solve for x
x = 60,433,539,447,711.21/7,656,407.79 - Step 6: Final answer
x = 7,893,197.58
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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.