Finding the Fourth Proportional to 29,749,264.74, 41,026,536.36 and 19,831,837.55
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Solution
The fourth proportional to 29,749,264.74, 41,026,536.36 and 19,831,837.55 is: 27,349,637.42
Step by Step Solution
- Step 1: Write the proportion equation
29,749,264.74 : 41,026,536.36 = 19,831,837.55 : x - Step 2: Convert to fraction form
29,749,264.74/41,026,536.36 = 19,831,837.55/x - Step 3: Cross multiply
29,749,264.74x = 41,026,536.36 × 19,831,837.55 - Step 4: Simplify right side
29,749,264.74x = 813,631,604,125,555.75 - Step 5: Solve for x
x = 813,631,604,125,555.75/29,749,264.74 - Step 6: Final answer
x = 27,349,637.42
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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.