Finding the Fourth Proportional to 11,434,646.08, 15,779,842.64 and 6,278,341.60
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Solution
The fourth proportional to 11,434,646.08, 15,779,842.64 and 6,278,341.60 is: 8,664,128.46
Step by Step Solution
- Step 1: Write the proportion equation
11,434,646.08 : 15,779,842.64 = 6,278,341.60 : x - Step 2: Convert to fraction form
11,434,646.08/15,779,842.64 = 6,278,341.60/x - Step 3: Cross multiply
11,434,646.08x = 15,779,842.64 × 6,278,341.60 - Step 4: Simplify right side
11,434,646.08x = 99,071,242,488,165.83 - Step 5: Solve for x
x = 99,071,242,488,165.83/11,434,646.08 - Step 6: Final answer
x = 8,664,128.46
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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.