Finding the Fourth Proportional to 7,160,357.04, 9,881,373.24 and 3,897,192.48
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Solution
The fourth proportional to 7,160,357.04, 9,881,373.24 and 3,897,192.48 is: 5,378,169.45
Step by Step Solution
- Step 1: Write the proportion equation
7,160,357.04 : 9,881,373.24 = 3,897,192.48 : x - Step 2: Convert to fraction form
7,160,357.04/9,881,373.24 = 3,897,192.48/x - Step 3: Cross multiply
7,160,357.04x = 9,881,373.24 × 3,897,192.48 - Step 4: Simplify right side
7,160,357.04x = 38,509,613,483,001.23 - Step 5: Solve for x
x = 38,509,613,483,001.23/7,160,357.04 - Step 6: Final answer
x = 5,378,169.45
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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.