Finding the Fourth Proportional to 8,986,165.29, 12,406,887.96 and 5,316,257.79
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Solution
The fourth proportional to 8,986,165.29, 12,406,887.96 and 5,316,257.79 is: 7,339,973.46
Step by Step Solution
- Step 1: Write the proportion equation
8,986,165.29 : 12,406,887.96 = 5,316,257.79 : x - Step 2: Convert to fraction form
8,986,165.29/12,406,887.96 = 5,316,257.79/x - Step 3: Cross multiply
8,986,165.29x = 12,406,887.96 × 5,316,257.79 - Step 4: Simplify right side
8,986,165.29x = 65,958,214,767,007.21 - Step 5: Solve for x
x = 65,958,214,767,007.21/8,986,165.29 - Step 6: Final answer
x = 7,339,973.46
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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.