Finding the Fourth Proportional to 33,881,130.80, 46,756,652.76 and 18,412,212.08
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Solution
The fourth proportional to 33,881,130.80, 46,756,652.76 and 18,412,212.08 is: 25,409,228.87
Step by Step Solution
- Step 1: Write the proportion equation
33,881,130.80 : 46,756,652.76 = 18,412,212.08 : x - Step 2: Convert to fraction form
33,881,130.80/46,756,652.76 = 18,412,212.08/x - Step 3: Cross multiply
33,881,130.80x = 46,756,652.76 × 18,412,212.08 - Step 4: Simplify right side
33,881,130.80x = 860,893,406,768,037.25 - Step 5: Solve for x
x = 860,893,406,768,037.25/33,881,130.80 - Step 6: Final answer
x = 25,409,228.87
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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.