Finding the Fourth Proportional to 7,115,637.12, 9,819,658.08 and 3,852,522.72
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Solution
The fourth proportional to 7,115,637.12, 9,819,658.08 and 3,852,522.72 is: 5,316,524.05
Step by Step Solution
- Step 1: Write the proportion equation
7,115,637.12 : 9,819,658.08 = 3,852,522.72 : x - Step 2: Convert to fraction form
7,115,637.12/9,819,658.08 = 3,852,522.72/x - Step 3: Cross multiply
7,115,637.12x = 9,819,658.08 × 3,852,522.72 - Step 4: Simplify right side
7,115,637.12x = 37,830,455,855,831.58 - Step 5: Solve for x
x = 37,830,455,855,831.58/7,115,637.12 - Step 6: Final answer
x = 5,316,524.05
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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.