Finding the Fourth Proportional to 19,659,794.91, 29,489,666.95 and 5,282,862.92
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Solution
The fourth proportional to 19,659,794.91, 29,489,666.95 and 5,282,862.92 is: 7,924,287.55
Step by Step Solution
- Step 1: Write the proportion equation
19,659,794.91 : 29,489,666.95 = 5,282,862.92 : x - Step 2: Convert to fraction form
19,659,794.91/29,489,666.95 = 5,282,862.92/x - Step 3: Cross multiply
19,659,794.91x = 29,489,666.95 × 5,282,862.92 - Step 4: Simplify right side
19,659,794.91x = 155,789,868,026,890.19 - Step 5: Solve for x
x = 155,789,868,026,890.19/19,659,794.91 - Step 6: Final answer
x = 7,924,287.55
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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.