Finding the Fourth Proportional to 14,371,734.06, 19,830,339.50 and 8,176,419.09
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Solution
The fourth proportional to 14,371,734.06, 19,830,339.50 and 8,176,419.09 is: 11,281,948.70
Step by Step Solution
- Step 1: Write the proportion equation
14,371,734.06 : 19,830,339.50 = 8,176,419.09 : x - Step 2: Convert to fraction form
14,371,734.06/19,830,339.50 = 8,176,419.09/x - Step 3: Cross multiply
14,371,734.06x = 19,830,339.50 × 8,176,419.09 - Step 4: Simplify right side
14,371,734.06x = 162,141,166,408,098.97 - Step 5: Solve for x
x = 162,141,166,408,098.97/14,371,734.06 - Step 6: Final answer
x = 11,281,948.70
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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.