Finding the Fourth Proportional to 52,908,326.97, 79,372,710.76 and 20,116,346.18
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Solution
The fourth proportional to 52,908,326.97, 79,372,710.76 and 20,116,346.18 is: 30,178,405.15
Step by Step Solution
- Step 1: Write the proportion equation
52,908,326.97 : 79,372,710.76 = 20,116,346.18 : x - Step 2: Convert to fraction form
52,908,326.97/79,372,710.76 = 20,116,346.18/x - Step 3: Cross multiply
52,908,326.97x = 79,372,710.76 × 20,116,346.18 - Step 4: Simplify right side
52,908,326.97x = 1,596,688,926,893,171 - Step 5: Solve for x
x = 1,596,688,926,893,171/52,908,326.97 - Step 6: Final answer
x = 30,178,405.15
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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.