Finding the Fourth Proportional to 12,875,290.97, 19,312,154.46 and 4,566,506.18
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Solution
The fourth proportional to 12,875,290.97, 19,312,154.46 and 4,566,506.18 is: 6,849,481.91
Step by Step Solution
- Step 1: Write the proportion equation
12,875,290.97 : 19,312,154.46 = 4,566,506.18 : x - Step 2: Convert to fraction form
12,875,290.97/19,312,154.46 = 4,566,506.18/x - Step 3: Cross multiply
12,875,290.97x = 19,312,154.46 × 4,566,506.18 - Step 4: Simplify right side
12,875,290.97x = 88,189,072,594,143.80 - Step 5: Solve for x
x = 88,189,072,594,143.80/12,875,290.97 - Step 6: Final answer
x = 6,849,481.91
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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.