Finding the Fourth Proportional to 19,105,894.42, 26,365,438.20 and 10,403,876.14
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Solution
The fourth proportional to 19,105,894.42, 26,365,438.20 and 10,403,876.14 is: 14,356,970.02
Step by Step Solution
- Step 1: Write the proportion equation
19,105,894.42 : 26,365,438.20 = 10,403,876.14 : x - Step 2: Convert to fraction form
19,105,894.42/26,365,438.20 = 10,403,876.14/x - Step 3: Cross multiply
19,105,894.42x = 26,365,438.20 × 10,403,876.14 - Step 4: Simplify right side
19,105,894.42x = 274,302,753,409,624.56 - Step 5: Solve for x
x = 274,302,753,409,624.56/19,105,894.42 - Step 6: Final answer
x = 14,356,970.02
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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.