Finding the Fourth Proportional to 6,370,368.90, 8,943,710.70 and 6,370,368.90
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Solution
The fourth proportional to 6,370,368.90, 8,943,710.70 and 6,370,368.90 is: 8,943,710.70
Step by Step Solution
- Step 1: Write the proportion equation
6,370,368.90 : 8,943,710.70 = 6,370,368.90 : x - Step 2: Convert to fraction form
6,370,368.90/8,943,710.70 = 6,370,368.90/x - Step 3: Cross multiply
6,370,368.90x = 8,943,710.70 × 6,370,368.90 - Step 4: Simplify right side
6,370,368.90x = 56,974,736,493,877.23 - Step 5: Solve for x
x = 56,974,736,493,877.23/6,370,368.90 - Step 6: Final answer
x = 8,943,710.70
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.