Finding the Fourth Proportional to 19,684,129.20, 29,557,686.60 and 14,897,223.60
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Solution
The fourth proportional to 19,684,129.20, 29,557,686.60 and 14,897,223.60 is: 22,369,669.59
Step by Step Solution
- Step 1: Write the proportion equation
19,684,129.20 : 29,557,686.60 = 14,897,223.60 : x - Step 2: Convert to fraction form
19,684,129.20/29,557,686.60 = 14,897,223.60/x - Step 3: Cross multiply
19,684,129.20x = 29,557,686.60 × 14,897,223.60 - Step 4: Simplify right side
19,684,129.20x = 440,327,466,378,923.75 - Step 5: Solve for x
x = 440,327,466,378,923.75/19,684,129.20 - Step 6: Final answer
x = 22,369,669.59
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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.