Finding the Fourth Proportional to 19,408,092.70, 29,112,139.05 and 19,030,179.10
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Solution
The fourth proportional to 19,408,092.70, 29,112,139.05 and 19,030,179.10 is: 28,545,268.65
Step by Step Solution
- Step 1: Write the proportion equation
19,408,092.70 : 29,112,139.05 = 19,030,179.10 : x - Step 2: Convert to fraction form
19,408,092.70/29,112,139.05 = 19,030,179.10/x - Step 3: Cross multiply
19,408,092.70x = 29,112,139.05 × 19,030,179.10 - Step 4: Simplify right side
19,408,092.70x = 554,009,220,105,603.94 - Step 5: Solve for x
x = 554,009,220,105,603.94/19,408,092.70 - Step 6: Final answer
x = 28,545,268.65
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1.5x scale
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.