Finding the Fourth Proportional to 8,736,656.81, 12,056,646.33 and 4,869,427.05
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Solution
The fourth proportional to 8,736,656.81, 12,056,646.33 and 4,869,427.05 is: 6,719,842.74
Step by Step Solution
- Step 1: Write the proportion equation
8,736,656.81 : 12,056,646.33 = 4,869,427.05 : x - Step 2: Convert to fraction form
8,736,656.81/12,056,646.33 = 4,869,427.05/x - Step 3: Cross multiply
8,736,656.81x = 12,056,646.33 × 4,869,427.05 - Step 4: Simplify right side
8,736,656.81x = 58,708,959,771,585.23 - Step 5: Solve for x
x = 58,708,959,771,585.23/8,736,656.81 - Step 6: Final answer
x = 6,719,842.74
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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.