Finding the Fourth Proportional to 13,319,380.24, 19,970,979.80 and 5,222,655.36
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Solution
The fourth proportional to 13,319,380.24, 19,970,979.80 and 5,222,655.36 is: 7,830,810.65
Step by Step Solution
- Step 1: Write the proportion equation
13,319,380.24 : 19,970,979.80 = 5,222,655.36 : x - Step 2: Convert to fraction form
13,319,380.24/19,970,979.80 = 5,222,655.36/x - Step 3: Cross multiply
13,319,380.24x = 19,970,979.80 × 5,222,655.36 - Step 4: Simplify right side
13,319,380.24x = 104,301,544,696,921.73 - Step 5: Solve for x
x = 104,301,544,696,921.73/13,319,380.24 - Step 6: Final answer
x = 7,830,810.65
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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.