Finding the Fourth Proportional to 8,524,869.84, 12,725,119.14 and 7,448,690.64
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Solution
The fourth proportional to 8,524,869.84, 12,725,119.14 and 7,448,690.64 is: 11,118,700.65
Step by Step Solution
- Step 1: Write the proportion equation
8,524,869.84 : 12,725,119.14 = 7,448,690.64 : x - Step 2: Convert to fraction form
8,524,869.84/12,725,119.14 = 7,448,690.64/x - Step 3: Cross multiply
8,524,869.84x = 12,725,119.14 × 7,448,690.64 - Step 4: Simplify right side
8,524,869.84x = 94,785,475,831,002.84 - Step 5: Solve for x
x = 94,785,475,831,002.84/8,524,869.84 - Step 6: Final answer
x = 11,118,700.65
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.