Finding the Fourth Proportional to 19,822,951.80, 29,734,427.70 and 13,776,334.20
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Solution
The fourth proportional to 19,822,951.80, 29,734,427.70 and 13,776,334.20 is: 20,664,501.30
Step by Step Solution
- Step 1: Write the proportion equation
19,822,951.80 : 29,734,427.70 = 13,776,334.20 : x - Step 2: Convert to fraction form
19,822,951.80/29,734,427.70 = 13,776,334.20/x - Step 3: Cross multiply
19,822,951.80x = 29,734,427.70 × 13,776,334.20 - Step 4: Simplify right side
19,822,951.80x = 409,631,413,240,937.31 - Step 5: Solve for x
x = 409,631,413,240,937.31/19,822,951.80 - Step 6: Final answer
x = 20,664,501.30
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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.