Finding the Fourth Proportional to 34,461,278.70, 47,556,565.58 and 18,991,363.34
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Solution
The fourth proportional to 34,461,278.70, 47,556,565.58 and 18,991,363.34 is: 26,208,081.95
Step by Step Solution
- Step 1: Write the proportion equation
34,461,278.70 : 47,556,565.58 = 18,991,363.34 : x - Step 2: Convert to fraction form
34,461,278.70/47,556,565.58 = 18,991,363.34/x - Step 3: Cross multiply
34,461,278.70x = 47,556,565.58 × 18,991,363.34 - Step 4: Simplify right side
34,461,278.70x = 903,164,016,298,687.75 - Step 5: Solve for x
x = 903,164,016,298,687.75/34,461,278.70 - Step 6: Final answer
x = 26,208,081.95
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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.