Finding the Fourth Proportional to 57,845,445.26, 86,774,749.84 and 20,974,701.99
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Solution
The fourth proportional to 57,845,445.26, 86,774,749.84 and 20,974,701.99 is: 31,464,439.60
Step by Step Solution
- Step 1: Write the proportion equation
57,845,445.26 : 86,774,749.84 = 20,974,701.99 : x - Step 2: Convert to fraction form
57,845,445.26/86,774,749.84 = 20,974,701.99/x - Step 3: Cross multiply
57,845,445.26x = 86,774,749.84 × 20,974,701.99 - Step 4: Simplify right side
57,845,445.26x = 1,820,074,518,502,423.75 - Step 5: Solve for x
x = 1,820,074,518,502,423.75/57,845,445.26 - Step 6: Final answer
x = 31,464,439.60
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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.