Finding the Fourth Proportional to 11,877,343.60, 16,390,924.68 and 6,444,835.60
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Solution
The fourth proportional to 11,877,343.60, 16,390,924.68 and 6,444,835.60 is: 8,893,976.50
Step by Step Solution
- Step 1: Write the proportion equation
11,877,343.60 : 16,390,924.68 = 6,444,835.60 : x - Step 2: Convert to fraction form
11,877,343.60/16,390,924.68 = 6,444,835.60/x - Step 3: Cross multiply
11,877,343.60x = 16,390,924.68 × 6,444,835.60 - Step 4: Simplify right side
11,877,343.60x = 105,636,814,894,582.59 - Step 5: Solve for x
x = 105,636,814,894,582.59/11,877,343.60 - Step 6: Final answer
x = 8,893,976.50
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1.5x scale
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.