Finding the Fourth Proportional to 13,005,811.10, 19,487,721.45 and 8,204,908.70
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Solution
The fourth proportional to 13,005,811.10, 19,487,721.45 and 8,204,908.70 is: 12,294,117.92
Step by Step Solution
- Step 1: Write the proportion equation
13,005,811.10 : 19,487,721.45 = 8,204,908.70 : x - Step 2: Convert to fraction form
13,005,811.10/19,487,721.45 = 8,204,908.70/x - Step 3: Cross multiply
13,005,811.10x = 19,487,721.45 × 8,204,908.70 - Step 4: Simplify right side
13,005,811.10x = 159,894,975,268,281.62 - Step 5: Solve for x
x = 159,894,975,268,281.62/13,005,811.10 - Step 6: Final answer
x = 12,294,117.92
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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.