Finding the Fourth Proportional to 19,417,679.40, 26,806,472.37 and 14,184,811.70
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Solution
The fourth proportional to 19,417,679.40, 26,806,472.37 and 14,184,811.70 is: 19,582,399.88
Step by Step Solution
- Step 1: Write the proportion equation
19,417,679.40 : 26,806,472.37 = 14,184,811.70 : x - Step 2: Convert to fraction form
19,417,679.40/26,806,472.37 = 14,184,811.70/x - Step 3: Cross multiply
19,417,679.40x = 26,806,472.37 × 14,184,811.70 - Step 4: Simplify right side
19,417,679.40x = 380,244,762,775,670.38 - Step 5: Solve for x
x = 380,244,762,775,670.38/19,417,679.40 - Step 6: Final answer
x = 19,582,399.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.