Finding the Fourth Proportional to 9,742,159.77, 13,444,206.65 and 5,391,546.09
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Solution
The fourth proportional to 9,742,159.77, 13,444,206.65 and 5,391,546.09 is: 7,440,348.09
Step by Step Solution
- Step 1: Write the proportion equation
9,742,159.77 : 13,444,206.65 = 5,391,546.09 : x - Step 2: Convert to fraction form
9,742,159.77/13,444,206.65 = 5,391,546.09/x - Step 3: Cross multiply
9,742,159.77x = 13,444,206.65 × 5,391,546.09 - Step 4: Simplify right side
9,742,159.77x = 72,485,059,796,959.50 - Step 5: Solve for x
x = 72,485,059,796,959.50/9,742,159.77 - Step 6: Final answer
x = 7,440,348.09
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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.