Finding the Fourth Proportional to 14,367,689.40, 19,827,595.08 and 8,487,517.08
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Solution
The fourth proportional to 14,367,689.40, 19,827,595.08 and 8,487,517.08 is: 11,712,882.09
Step by Step Solution
- Step 1: Write the proportion equation
14,367,689.40 : 19,827,595.08 = 8,487,517.08 : x - Step 2: Convert to fraction form
14,367,689.40/19,827,595.08 = 8,487,517.08/x - Step 3: Cross multiply
14,367,689.40x = 19,827,595.08 × 8,487,517.08 - Step 4: Simplify right side
14,367,689.40x = 168,287,051,896,823.94 - Step 5: Solve for x
x = 168,287,051,896,823.94/14,367,689.40 - Step 6: Final answer
x = 11,712,882.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.