Finding the Fourth Proportional to 9,467,742.58, 13,062,293.49 and 5,390,474.74
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Solution
The fourth proportional to 9,467,742.58, 13,062,293.49 and 5,390,474.74 is: 7,437,038.19
Step by Step Solution
- Step 1: Write the proportion equation
9,467,742.58 : 13,062,293.49 = 5,390,474.74 : x - Step 2: Convert to fraction form
9,467,742.58/13,062,293.49 = 5,390,474.74/x - Step 3: Cross multiply
9,467,742.58x = 13,062,293.49 × 5,390,474.74 - Step 4: Simplify right side
9,467,742.58x = 70,411,963,104,311.45 - Step 5: Solve for x
x = 70,411,963,104,311.45/9,467,742.58 - Step 6: Final answer
x = 7,437,038.19
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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.