Finding the Fourth Proportional to 13,319,346.89, 19,970,930.03 and 5,222,621.99
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Solution
The fourth proportional to 13,319,346.89, 19,970,930.03 and 5,222,621.99 is: 7,830,760.71
Step by Step Solution
- Step 1: Write the proportion equation
13,319,346.89 : 19,970,930.03 = 5,222,621.99 : x - Step 2: Convert to fraction form
13,319,346.89/19,970,930.03 = 5,222,621.99/x - Step 3: Cross multiply
13,319,346.89x = 19,970,930.03 × 5,222,621.99 - Step 4: Simplify right side
13,319,346.89x = 104,300,618,209,461.59 - Step 5: Solve for x
x = 104,300,618,209,461.59/13,319,346.89 - Step 6: Final answer
x = 7,830,760.71
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.