Finding the Fourth Proportional to 22,069,862.08, 30,456,409.68 and 12,280,936.84
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Solution
The fourth proportional to 22,069,862.08, 30,456,409.68 and 12,280,936.84 is: 16,947,692.84
Step by Step Solution
- Step 1: Write the proportion equation
22,069,862.08 : 30,456,409.68 = 12,280,936.84 : x - Step 2: Convert to fraction form
22,069,862.08/30,456,409.68 = 12,280,936.84/x - Step 3: Cross multiply
22,069,862.08x = 30,456,409.68 × 12,280,936.84 - Step 4: Simplify right side
22,069,862.08x = 374,033,243,653,244.62 - Step 5: Solve for x
x = 374,033,243,653,244.62/22,069,862.08 - Step 6: Final answer
x = 16,947,692.84
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1.5x scale
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.