Finding the Fourth Proportional to 22,411,498.74, 30,942,148.20 and 18,291,357.84
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Solution
The fourth proportional to 22,411,498.74, 30,942,148.20 and 18,291,357.84 is: 25,253,728.53
Step by Step Solution
- Step 1: Write the proportion equation
22,411,498.74 : 30,942,148.20 = 18,291,357.84 : x - Step 2: Convert to fraction form
22,411,498.74/30,942,148.20 = 18,291,357.84/x - Step 3: Cross multiply
22,411,498.74x = 30,942,148.20 × 18,291,357.84 - Step 4: Simplify right side
22,411,498.74x = 565,973,905,064,511.88 - Step 5: Solve for x
x = 565,973,905,064,511.88/22,411,498.74 - Step 6: Final answer
x = 25,253,728.53
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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.