Finding the Fourth Proportional to 10,363,947.77, 15,547,914.26 and 3,973,701.75
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Solution
The fourth proportional to 10,363,947.77, 15,547,914.26 and 3,973,701.75 is: 5,961,316.62
Step by Step Solution
- Step 1: Write the proportion equation
10,363,947.77 : 15,547,914.26 = 3,973,701.75 : x - Step 2: Convert to fraction form
10,363,947.77/15,547,914.26 = 3,973,701.75/x - Step 3: Cross multiply
10,363,947.77x = 15,547,914.26 × 3,973,701.75 - Step 4: Simplify right side
10,363,947.77x = 61,782,774,103,811.95 - Step 5: Solve for x
x = 61,782,774,103,811.95/10,363,947.77 - Step 6: Final answer
x = 5,961,316.62
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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.