Finding the Fourth Proportional to 39,128,137.20, 58,703,565.28 and 15,772,827.08
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Solution
The fourth proportional to 39,128,137.20, 58,703,565.28 and 15,772,827.08 is: 23,663,819.71
Step by Step Solution
- Step 1: Write the proportion equation
39,128,137.20 : 58,703,565.28 = 15,772,827.08 : x - Step 2: Convert to fraction form
39,128,137.20/58,703,565.28 = 15,772,827.08/x - Step 3: Cross multiply
39,128,137.20x = 58,703,565.28 × 15,772,827.08 - Step 4: Simplify right side
39,128,137.20x = 925,921,184,272,976.62 - Step 5: Solve for x
x = 925,921,184,272,976.62/39,128,137.20 - Step 6: Final answer
x = 23,663,819.71
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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.