Finding the Fourth Proportional to 16,456,048.08, 22,688,244.36 and 12,778,725.84
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Solution
The fourth proportional to 16,456,048.08, 22,688,244.36 and 12,778,725.84 is: 17,618,255.19
Step by Step Solution
- Step 1: Write the proportion equation
16,456,048.08 : 22,688,244.36 = 12,778,725.84 : x - Step 2: Convert to fraction form
16,456,048.08/22,688,244.36 = 12,778,725.84/x - Step 3: Cross multiply
16,456,048.08x = 22,688,244.36 × 12,778,725.84 - Step 4: Simplify right side
16,456,048.08x = 289,926,854,467,366.25 - Step 5: Solve for x
x = 289,926,854,467,366.25/16,456,048.08 - Step 6: Final answer
x = 17,618,255.19
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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.