Finding the Fourth Proportional to 9,772,651.41, 13,487,877.84 and 5,423,134.87
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Solution
The fourth proportional to 9,772,651.41, 13,487,877.84 and 5,423,134.87 is: 7,484,824.49
Step by Step Solution
- Step 1: Write the proportion equation
9,772,651.41 : 13,487,877.84 = 5,423,134.87 : x - Step 2: Convert to fraction form
9,772,651.41/13,487,877.84 = 5,423,134.87/x - Step 3: Cross multiply
9,772,651.41x = 13,487,877.84 × 5,423,134.87 - Step 4: Simplify right side
9,772,651.41x = 73,146,580,636,404.28 - Step 5: Solve for x
x = 73,146,580,636,404.28/9,772,651.41 - Step 6: Final answer
x = 7,484,824.49
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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.