Finding the Fourth Proportional to 11,877,323.60, 16,390,897.08 and 6,444,815.60
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Solution
The fourth proportional to 11,877,323.60, 16,390,897.08 and 6,444,815.60 is: 8,893,948.90
Step by Step Solution
- Step 1: Write the proportion equation
11,877,323.60 : 16,390,897.08 = 6,444,815.60 : x - Step 2: Convert to fraction form
11,877,323.60/16,390,897.08 = 6,444,815.60/x - Step 3: Cross multiply
11,877,323.60x = 16,390,897.08 × 6,444,815.60 - Step 4: Simplify right side
11,877,323.60x = 105,636,309,199,178.44 - Step 5: Solve for x
x = 105,636,309,199,178.44/11,877,323.60 - Step 6: Final answer
x = 8,893,948.90
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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.