Finding the Fourth Proportional to 28,645,577.58, 42,967,940.28 and 7,080,178.08
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Solution
The fourth proportional to 28,645,577.58, 42,967,940.28 and 7,080,178.08 is: 10,620,161.81
Step by Step Solution
- Step 1: Write the proportion equation
28,645,577.58 : 42,967,940.28 = 7,080,178.08 : x - Step 2: Convert to fraction form
28,645,577.58/42,967,940.28 = 7,080,178.08/x - Step 3: Cross multiply
28,645,577.58x = 42,967,940.28 × 7,080,178.08 - Step 4: Simplify right side
28,645,577.58x = 304,220,668,913,205.06 - Step 5: Solve for x
x = 304,220,668,913,205.06/28,645,577.58 - Step 6: Final answer
x = 10,620,161.81
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.