Finding the Fourth Proportional to 40,513,950.64, 55,909,250.28 and 22,179,236.14
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Solution
The fourth proportional to 40,513,950.64, 55,909,250.28 and 22,179,236.14 is: 30,607,344.99
Step by Step Solution
- Step 1: Write the proportion equation
40,513,950.64 : 55,909,250.28 = 22,179,236.14 : x - Step 2: Convert to fraction form
40,513,950.64/55,909,250.28 = 22,179,236.14/x - Step 3: Cross multiply
40,513,950.64x = 55,909,250.28 × 22,179,236.14 - Step 4: Simplify right side
40,513,950.64x = 1,240,024,463,980,038.75 - Step 5: Solve for x
x = 1,240,024,463,980,038.75/40,513,950.64 - Step 6: Final answer
x = 30,607,344.99
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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.