Finding the Fourth Proportional to 13,257,248.40, 19,885,872.66 and 4,160,749.95
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Solution
The fourth proportional to 13,257,248.40, 19,885,872.66 and 4,160,749.95 is: 6,241,124.94
Step by Step Solution
- Step 1: Write the proportion equation
13,257,248.40 : 19,885,872.66 = 4,160,749.95 : x - Step 2: Convert to fraction form
13,257,248.40/19,885,872.66 = 4,160,749.95/x - Step 3: Cross multiply
13,257,248.40x = 19,885,872.66 × 4,160,749.95 - Step 4: Simplify right side
13,257,248.40x = 82,740,143,576,372 - Step 5: Solve for x
x = 82,740,143,576,372/13,257,248.40 - Step 6: Final answer
x = 6,241,124.94
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.