Finding the Fourth Proportional to 48,338,374.57, 72,506,851.42 and 11,946,768.05
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Solution
The fourth proportional to 48,338,374.57, 72,506,851.42 and 11,946,768.05 is: 17,919,976.49
Step by Step Solution
- Step 1: Write the proportion equation
48,338,374.57 : 72,506,851.42 = 11,946,768.05 : x - Step 2: Convert to fraction form
48,338,374.57/72,506,851.42 = 11,946,768.05/x - Step 3: Cross multiply
48,338,374.57x = 72,506,851.42 × 11,946,768.05 - Step 4: Simplify right side
48,338,374.57x = 866,222,535,750,132.62 - Step 5: Solve for x
x = 866,222,535,750,132.62/48,338,374.57 - Step 6: Final answer
x = 17,919,976.49
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.