Finding the Fourth Proportional to 11,292,978.96, 15,584,281.56 and 6,136,340.94
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Solution
The fourth proportional to 11,292,978.96, 15,584,281.56 and 6,136,340.94 is: 8,468,134.52
Step by Step Solution
- Step 1: Write the proportion equation
11,292,978.96 : 15,584,281.56 = 6,136,340.94 : x - Step 2: Convert to fraction form
11,292,978.96/15,584,281.56 = 6,136,340.94/x - Step 3: Cross multiply
11,292,978.96x = 15,584,281.56 × 6,136,340.94 - Step 4: Simplify right side
11,292,978.96x = 95,630,464,957,115.08 - Step 5: Solve for x
x = 95,630,464,957,115.08/11,292,978.96 - Step 6: Final answer
x = 8,468,134.52
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.