Finding the Fourth Proportional to 7,566,552.36, 10,442,094.30 and 4,128,982.02
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Solution
The fourth proportional to 7,566,552.36, 10,442,094.30 and 4,128,982.02 is: 5,698,132.72
Step by Step Solution
- Step 1: Write the proportion equation
7,566,552.36 : 10,442,094.30 = 4,128,982.02 : x - Step 2: Convert to fraction form
7,566,552.36/10,442,094.30 = 4,128,982.02/x - Step 3: Cross multiply
7,566,552.36x = 10,442,094.30 × 4,128,982.02 - Step 4: Simplify right side
7,566,552.36x = 43,115,219,615,844.49 - Step 5: Solve for x
x = 43,115,219,615,844.49/7,566,552.36 - Step 6: Final answer
x = 5,698,132.72
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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.