Finding the Fourth Proportional to 7,776,029.84, 10,730,927.88 and 4,338,271.60
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Solution
The fourth proportional to 7,776,029.84, 10,730,927.88 and 4,338,271.60 is: 5,986,818.55
Step by Step Solution
- Step 1: Write the proportion equation
7,776,029.84 : 10,730,927.88 = 4,338,271.60 : x - Step 2: Convert to fraction form
7,776,029.84/10,730,927.88 = 4,338,271.60/x - Step 3: Cross multiply
7,776,029.84x = 10,730,927.88 × 4,338,271.60 - Step 4: Simplify right side
7,776,029.84x = 46,553,679,663,452.21 - Step 5: Solve for x
x = 46,553,679,663,452.21/7,776,029.84 - Step 6: Final answer
x = 5,986,818.55
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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.