Finding the Fourth Proportional to 19,933,378.36, 29,875,398.18 and 14,166,921.40
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Solution
The fourth proportional to 19,933,378.36, 29,875,398.18 and 14,166,921.40 is: 21,232,849.25
Step by Step Solution
- Step 1: Write the proportion equation
19,933,378.36 : 29,875,398.18 = 14,166,921.40 : x - Step 2: Convert to fraction form
19,933,378.36/29,875,398.18 = 14,166,921.40/x - Step 3: Cross multiply
19,933,378.36x = 29,875,398.18 × 14,166,921.40 - Step 4: Simplify right side
19,933,378.36x = 423,242,417,809,763.06 - Step 5: Solve for x
x = 423,242,417,809,763.06/19,933,378.36 - Step 6: Final answer
x = 21,232,849.25
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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.