Finding the Fourth Proportional to 26,372,397.70, 39,565,594.95 and 9,331,293.70
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Solution
The fourth proportional to 26,372,397.70, 39,565,594.95 and 9,331,293.70 is: 13,999,416.78
Step by Step Solution
- Step 1: Write the proportion equation
26,372,397.70 : 39,565,594.95 = 9,331,293.70 : x - Step 2: Convert to fraction form
26,372,397.70/39,565,594.95 = 9,331,293.70/x - Step 3: Cross multiply
26,372,397.70x = 39,565,594.95 × 9,331,293.70 - Step 4: Simplify right side
26,372,397.70x = 369,198,186,893,686.81 - Step 5: Solve for x
x = 369,198,186,893,686.81/26,372,397.70 - Step 6: Final answer
x = 13,999,416.78
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.