Finding the Fourth Proportional to 8,609,534.09, 11,881,156.68 and 4,742,055.36
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Solution
The fourth proportional to 8,609,534.09, 11,881,156.68 and 4,742,055.36 is: 6,544,036.20
Step by Step Solution
- Step 1: Write the proportion equation
8,609,534.09 : 11,881,156.68 = 4,742,055.36 : x - Step 2: Convert to fraction form
8,609,534.09/11,881,156.68 = 4,742,055.36/x - Step 3: Cross multiply
8,609,534.09x = 11,881,156.68 × 4,742,055.36 - Step 4: Simplify right side
8,609,534.09x = 56,341,102,717,393.80 - Step 5: Solve for x
x = 56,341,102,717,393.80/8,609,534.09 - Step 6: Final answer
x = 6,544,036.20
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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.