Finding the Fourth Proportional to 13,967,804,971.68, 19,272,693,425.04 and 8,026,209,561.12
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Solution
The fourth proportional to 13,967,804,971.68, 19,272,693,425.04 and 8,026,209,561.12 is: 11,074,515,756.07
Step by Step Solution
- Step 1: Write the proportion equation
13,967,804,971.68 : 19,272,693,425.04 = 8,026,209,561.12 : x - Step 2: Convert to fraction form
13,967,804,971.68/19,272,693,425.04 = 8,026,209,561.12/x - Step 3: Cross multiply
13,967,804,971.68x = 19,272,693,425.04 × 8,026,209,561.12 - Step 4: Simplify right side
13,967,804,971.68x = 154,686,676,236,590,612,480 - Step 5: Solve for x
x = 154,686,676,236,590,612,480/13,967,804,971.68 - Step 6: Final answer
x = 11,074,515,756.07
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.