Finding the Fourth Proportional to 19,854,462.80, 29,781,694.20 and 14,815,614.80
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Solution
The fourth proportional to 19,854,462.80, 29,781,694.20 and 14,815,614.80 is: 22,223,422.20
Step by Step Solution
- Step 1: Write the proportion equation
19,854,462.80 : 29,781,694.20 = 14,815,614.80 : x - Step 2: Convert to fraction form
19,854,462.80/29,781,694.20 = 14,815,614.80/x - Step 3: Cross multiply
19,854,462.80x = 29,781,694.20 × 14,815,614.80 - Step 4: Simplify right side
19,854,462.80x = 441,234,109,358,594.19 - Step 5: Solve for x
x = 441,234,109,358,594.19/19,854,462.80 - Step 6: Final answer
x = 22,223,422.20
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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.