Finding the Fourth Proportional to 38,571,281.10, 57,853,378.56 and 13,012,511.94
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Solution
The fourth proportional to 38,571,281.10, 57,853,378.56 and 13,012,511.94 is: 19,517,572.60
Step by Step Solution
- Step 1: Write the proportion equation
38,571,281.10 : 57,853,378.56 = 13,012,511.94 : x - Step 2: Convert to fraction form
38,571,281.10/57,853,378.56 = 13,012,511.94/x - Step 3: Cross multiply
38,571,281.10x = 57,853,378.56 × 13,012,511.94 - Step 4: Simplify right side
38,571,281.10x = 752,817,779,281,340 - Step 5: Solve for x
x = 752,817,779,281,340/38,571,281.10 - Step 6: Final answer
x = 19,517,572.60
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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.