Finding the Fourth Proportional to 36,877,725.60, 50,889,927.39 and 20,357,495.55
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Solution
The fourth proportional to 36,877,725.60, 50,889,927.39 and 20,357,495.55 is: 28,092,607.49
Step by Step Solution
- Step 1: Write the proportion equation
36,877,725.60 : 50,889,927.39 = 20,357,495.55 : x - Step 2: Convert to fraction form
36,877,725.60/50,889,927.39 = 20,357,495.55/x - Step 3: Cross multiply
36,877,725.60x = 50,889,927.39 × 20,357,495.55 - Step 4: Simplify right side
36,877,725.60x = 1,035,991,470,381,748.12 - Step 5: Solve for x
x = 1,035,991,470,381,748.12/36,877,725.60 - Step 6: Final answer
x = 28,092,607.49
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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.