Finding the Fourth Proportional to 13,521,342.26, 18,659,421.68 and 7,326,558.02
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Solution
The fourth proportional to 13,521,342.26, 18,659,421.68 and 7,326,558.02 is: 10,110,633.47
Step by Step Solution
- Step 1: Write the proportion equation
13,521,342.26 : 18,659,421.68 = 7,326,558.02 : x - Step 2: Convert to fraction form
13,521,342.26/18,659,421.68 = 7,326,558.02/x - Step 3: Cross multiply
13,521,342.26x = 18,659,421.68 × 7,326,558.02 - Step 4: Simplify right side
13,521,342.26x = 136,709,335,558,165.86 - Step 5: Solve for x
x = 136,709,335,558,165.86/13,521,342.26 - Step 6: Final answer
x = 10,110,633.47
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.