Finding the Fourth Proportional to 7,387,055.99, 11,071,768.35 and 3,438,119.57
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Solution
The fourth proportional to 7,387,055.99, 11,071,768.35 and 3,438,119.57 is: 5,153,076.34
Step by Step Solution
- Step 1: Write the proportion equation
7,387,055.99 : 11,071,768.35 = 3,438,119.57 : x - Step 2: Convert to fraction form
7,387,055.99/11,071,768.35 = 3,438,119.57/x - Step 3: Cross multiply
7,387,055.99x = 11,071,768.35 × 3,438,119.57 - Step 4: Simplify right side
7,387,055.99x = 38,066,063,467,267.79 - Step 5: Solve for x
x = 38,066,063,467,267.79/7,387,055.99 - Step 6: Final answer
x = 5,153,076.34
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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.