Finding the Fourth Proportional to 29,890,490.74, 44,671,967.95 and 21,820,460.74
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Solution
The fourth proportional to 29,890,490.74, 44,671,967.95 and 21,820,460.74 is: 32,611,138.15
Step by Step Solution
- Step 1: Write the proportion equation
29,890,490.74 : 44,671,967.95 = 21,820,460.74 : x - Step 2: Convert to fraction form
29,890,490.74/44,671,967.95 = 21,820,460.74/x - Step 3: Cross multiply
29,890,490.74x = 44,671,967.95 × 21,820,460.74 - Step 4: Simplify right side
29,890,490.74x = 974,762,922,831,513.25 - Step 5: Solve for x
x = 974,762,922,831,513.25/29,890,490.74 - Step 6: Final answer
x = 32,611,138.15
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.