Finding the Fourth Proportional to 38,809,804.80, 58,165,718.40 and 19,645,852.80
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Solution
The fourth proportional to 38,809,804.80, 58,165,718.40 and 19,645,852.80 is: 29,443,980.65
Step by Step Solution
- Step 1: Write the proportion equation
38,809,804.80 : 58,165,718.40 = 19,645,852.80 : x - Step 2: Convert to fraction form
38,809,804.80/58,165,718.40 = 19,645,852.80/x - Step 3: Cross multiply
38,809,804.80x = 58,165,718.40 × 19,645,852.80 - Step 4: Simplify right side
38,809,804.80x = 1,142,715,141,692,651.50 - Step 5: Solve for x
x = 1,142,715,141,692,651.50/38,809,804.80 - Step 6: Final answer
x = 29,443,980.65
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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.