Finding the Fourth Proportional to 7,027,471.60, 9,697,508.16 and 3,887,547.68
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Solution
The fourth proportional to 7,027,471.60, 9,697,508.16 and 3,887,547.68 is: 5,364,593.06
Step by Step Solution
- Step 1: Write the proportion equation
7,027,471.60 : 9,697,508.16 = 3,887,547.68 : x - Step 2: Convert to fraction form
7,027,471.60/9,697,508.16 = 3,887,547.68/x - Step 3: Cross multiply
7,027,471.60x = 9,697,508.16 × 3,887,547.68 - Step 4: Simplify right side
7,027,471.60x = 37,699,525,349,189.07 - Step 5: Solve for x
x = 37,699,525,349,189.07/7,027,471.60 - Step 6: Final answer
x = 5,364,593.06
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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.