Finding the Fourth Proportional to 8,487,395.84, 12,730,969.02 and 2,097,648.74
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Solution
The fourth proportional to 8,487,395.84, 12,730,969.02 and 2,097,648.74 is: 3,146,442.28
Step by Step Solution
- Step 1: Write the proportion equation
8,487,395.84 : 12,730,969.02 = 2,097,648.74 : x - Step 2: Convert to fraction form
8,487,395.84/12,730,969.02 = 2,097,648.74/x - Step 3: Cross multiply
8,487,395.84x = 12,730,969.02 × 2,097,648.74 - Step 4: Simplify right side
8,487,395.84x = 26,705,101,123,782.04 - Step 5: Solve for x
x = 26,705,101,123,782.04/8,487,395.84 - Step 6: Final answer
x = 3,146,442.28
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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.