Finding the Fourth Proportional to 32,642,451.40, 48,921,686.70 and 19,849,376.20
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Solution
The fourth proportional to 32,642,451.40, 48,921,686.70 and 19,849,376.20 is: 29,748,530.58
Step by Step Solution
- Step 1: Write the proportion equation
32,642,451.40 : 48,921,686.70 = 19,849,376.20 : x - Step 2: Convert to fraction form
32,642,451.40/48,921,686.70 = 19,849,376.20/x - Step 3: Cross multiply
32,642,451.40x = 48,921,686.70 × 19,849,376.20 - Step 4: Simplify right side
32,642,451.40x = 971,064,963,646,836.62 - Step 5: Solve for x
x = 971,064,963,646,836.62/32,642,451.40 - Step 6: Final answer
x = 29,748,530.58
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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.