Finding the Fourth Proportional to 30,430,876.41, 41,994,501.93 and 16,492,569.77
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Solution
The fourth proportional to 30,430,876.41, 41,994,501.93 and 16,492,569.77 is: 22,759,688.02
Step by Step Solution
- Step 1: Write the proportion equation
30,430,876.41 : 41,994,501.93 = 16,492,569.77 : x - Step 2: Convert to fraction form
30,430,876.41/41,994,501.93 = 16,492,569.77/x - Step 3: Cross multiply
30,430,876.41x = 41,994,501.93 × 16,492,569.77 - Step 4: Simplify right side
30,430,876.41x = 692,597,253,141,911 - Step 5: Solve for x
x = 692,597,253,141,911/30,430,876.41 - Step 6: Final answer
x = 22,759,688.02
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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.