Finding the Fourth Proportional to 21,366,048.98, 29,486,594.22 and 12,070,395.02
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Solution
The fourth proportional to 21,366,048.98, 29,486,594.22 and 12,070,395.02 is: 16,657,962.38
Step by Step Solution
- Step 1: Write the proportion equation
21,366,048.98 : 29,486,594.22 = 12,070,395.02 : x - Step 2: Convert to fraction form
21,366,048.98/29,486,594.22 = 12,070,395.02/x - Step 3: Cross multiply
21,366,048.98x = 29,486,594.22 × 12,070,395.02 - Step 4: Simplify right side
21,366,048.98x = 355,914,840,029,848.75 - Step 5: Solve for x
x = 355,914,840,029,848.75/21,366,048.98 - Step 6: Final answer
x = 16,657,962.38
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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.