Finding the Fourth Proportional to 7,145,118.24, 9,860,210.32 and 3,881,959.80
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Solution
The fourth proportional to 7,145,118.24, 9,860,210.32 and 3,881,959.80 is: 5,357,075.81
Step by Step Solution
- Step 1: Write the proportion equation
7,145,118.24 : 9,860,210.32 = 3,881,959.80 : x - Step 2: Convert to fraction form
7,145,118.24/9,860,210.32 = 3,881,959.80/x - Step 3: Cross multiply
7,145,118.24x = 9,860,210.32 × 3,881,959.80 - Step 4: Simplify right side
7,145,118.24x = 38,276,940,081,785.13 - Step 5: Solve for x
x = 38,276,940,081,785.13/7,145,118.24 - Step 6: Final answer
x = 5,357,075.81
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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.