Finding the Fourth Proportional to 7,133,604.13, 10,700,368.52 and 1,742,282.80
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Solution
The fourth proportional to 7,133,604.13, 10,700,368.52 and 1,742,282.80 is: 2,613,415.00
Step by Step Solution
- Step 1: Write the proportion equation
7,133,604.13 : 10,700,368.52 = 1,742,282.80 : x - Step 2: Convert to fraction form
7,133,604.13/10,700,368.52 = 1,742,282.80/x - Step 3: Cross multiply
7,133,604.13x = 10,700,368.52 × 1,742,282.80 - Step 4: Simplify right side
7,133,604.13x = 18,643,068,026,057.46 - Step 5: Solve for x
x = 18,643,068,026,057.46/7,133,604.13 - Step 6: Final answer
x = 2,613,415.00
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.