Finding the Fourth Proportional to 8,830,686.20, 13,246,029.30 and 8,298,807.80
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Solution
The fourth proportional to 8,830,686.20, 13,246,029.30 and 8,298,807.80 is: 12,448,211.70
Step by Step Solution
- Step 1: Write the proportion equation
8,830,686.20 : 13,246,029.30 = 8,298,807.80 : x - Step 2: Convert to fraction form
8,830,686.20/13,246,029.30 = 8,298,807.80/x - Step 3: Cross multiply
8,830,686.20x = 13,246,029.30 × 8,298,807.80 - Step 4: Simplify right side
8,830,686.20x = 109,926,251,273,868.55 - Step 5: Solve for x
x = 109,926,251,273,868.55/8,830,686.20 - Step 6: Final answer
x = 12,448,211.70
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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.