Finding the Fourth Proportional to 13,167,595.78, 19,749,398.00 and 3,583,721.14
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Solution
The fourth proportional to 13,167,595.78, 19,749,398.00 and 3,583,721.14 is: 5,375,038.56
Step by Step Solution
- Step 1: Write the proportion equation
13,167,595.78 : 19,749,398.00 = 3,583,721.14 : x - Step 2: Convert to fraction form
13,167,595.78/19,749,398.00 = 3,583,721.14/x - Step 3: Cross multiply
13,167,595.78x = 19,749,398.00 × 3,583,721.14 - Step 4: Simplify right side
13,167,595.78x = 70,776,335,047,581.62 - Step 5: Solve for x
x = 70,776,335,047,581.62/13,167,595.78 - Step 6: Final answer
x = 5,375,038.56
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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.