Finding the Fourth Proportional to 21,901,129,971.73, 32,851,335,957.80 and 6,978,092,816.99
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Solution
The fourth proportional to 21,901,129,971.73, 32,851,335,957.80 and 6,978,092,816.99 is: 10,467,024,841.71
Step by Step Solution
- Step 1: Write the proportion equation
21,901,129,971.73 : 32,851,335,957.80 = 6,978,092,816.99 : x - Step 2: Convert to fraction form
21,901,129,971.73/32,851,335,957.80 = 6,978,092,816.99/x - Step 3: Cross multiply
21,901,129,971.73x = 32,851,335,957.80 × 6,978,092,816.99 - Step 4: Simplify right side
21,901,129,971.73x = 229,239,671,475,696,730,112 - Step 5: Solve for x
x = 229,239,671,475,696,730,112/21,901,129,971.73 - Step 6: Final answer
x = 10,467,024,841.71
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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.