Finding the Fourth Proportional to 26,594,960.62, 36,699,463.96 and 15,430,588.76
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Solution
The fourth proportional to 26,594,960.62, 36,699,463.96 and 15,430,588.76 is: 21,293,294.78
Step by Step Solution
- Step 1: Write the proportion equation
26,594,960.62 : 36,699,463.96 = 15,430,588.76 : x - Step 2: Convert to fraction form
26,594,960.62/36,699,463.96 = 15,430,588.76/x - Step 3: Cross multiply
26,594,960.62x = 36,699,463.96 × 15,430,588.76 - Step 4: Simplify right side
26,594,960.62x = 566,294,336,079,201.12 - Step 5: Solve for x
x = 566,294,336,079,201.12/26,594,960.62 - Step 6: Final answer
x = 21,293,294.78
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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.