Finding the Fourth Proportional to 9,781,329.93, 14,742,302.01 and 8,431,397.19
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Solution
The fourth proportional to 9,781,329.93, 14,742,302.01 and 8,431,397.19 is: 12,707,699.74
Step by Step Solution
- Step 1: Write the proportion equation
9,781,329.93 : 14,742,302.01 = 8,431,397.19 : x - Step 2: Convert to fraction form
9,781,329.93/14,742,302.01 = 8,431,397.19/x - Step 3: Cross multiply
9,781,329.93x = 14,742,302.01 × 8,431,397.19 - Step 4: Simplify right side
9,781,329.93x = 124,298,203,757,054.22 - Step 5: Solve for x
x = 124,298,203,757,054.22/9,781,329.93 - Step 6: Final answer
x = 12,707,699.74
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.