Finding the Fourth Proportional to 18,832,675.97, 28,249,276.40 and 5,369,503.97
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Solution
The fourth proportional to 18,832,675.97, 28,249,276.40 and 5,369,503.97 is: 8,054,330.78
Step by Step Solution
- Step 1: Write the proportion equation
18,832,675.97 : 28,249,276.40 = 5,369,503.97 : x - Step 2: Convert to fraction form
18,832,675.97/28,249,276.40 = 5,369,503.97/x - Step 3: Cross multiply
18,832,675.97x = 28,249,276.40 × 5,369,503.97 - Step 4: Simplify right side
18,832,675.97x = 151,684,601,752,579.78 - Step 5: Solve for x
x = 151,684,601,752,579.78/18,832,675.97 - Step 6: Final answer
x = 8,054,330.78
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.