Finding the Fourth Proportional to 7,833,171.04, 10,809,746.40 and 4,395,403.68
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Solution
The fourth proportional to 7,833,171.04, 10,809,746.40 and 4,395,403.68 is: 6,065,640.45
Step by Step Solution
- Step 1: Write the proportion equation
7,833,171.04 : 10,809,746.40 = 4,395,403.68 : x - Step 2: Convert to fraction form
7,833,171.04/10,809,746.40 = 4,395,403.68/x - Step 3: Cross multiply
7,833,171.04x = 10,809,746.40 × 4,395,403.68 - Step 4: Simplify right side
7,833,171.04x = 47,513,199,106,426.75 - Step 5: Solve for x
x = 47,513,199,106,426.75/7,833,171.04 - Step 6: Final answer
x = 6,065,640.45
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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.