Finding the Fourth Proportional to 12,282,510.32, 18,439,730.64 and 9,444,615.44
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Solution
The fourth proportional to 12,282,510.32, 18,439,730.64 and 9,444,615.44 is: 14,179,199.54
Step by Step Solution
- Step 1: Write the proportion equation
12,282,510.32 : 18,439,730.64 = 9,444,615.44 : x - Step 2: Convert to fraction form
12,282,510.32/18,439,730.64 = 9,444,615.44/x - Step 3: Cross multiply
12,282,510.32x = 18,439,730.64 × 9,444,615.44 - Step 4: Simplify right side
12,282,510.32x = 174,156,164,711,985.06 - Step 5: Solve for x
x = 174,156,164,711,985.06/12,282,510.32 - Step 6: Final answer
x = 14,179,199.54
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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.