Finding the Fourth Proportional to 19,421,862.80, 29,122,296.60 and 8,063,459.60
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Solution
The fourth proportional to 19,421,862.80, 29,122,296.60 and 8,063,459.60 is: 12,090,831.07
Step by Step Solution
- Step 1: Write the proportion equation
19,421,862.80 : 29,122,296.60 = 8,063,459.60 : x - Step 2: Convert to fraction form
19,421,862.80/29,122,296.60 = 8,063,459.60/x - Step 3: Cross multiply
19,421,862.80x = 29,122,296.60 × 8,063,459.60 - Step 4: Simplify right side
19,421,862.80x = 234,826,462,093,317.38 - Step 5: Solve for x
x = 234,826,462,093,317.38/19,421,862.80 - Step 6: Final answer
x = 12,090,831.07
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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.