Finding the Fourth Proportional to 13,535,422.74, 20,255,688.36 and 9,701,470.80
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Solution
The fourth proportional to 13,535,422.74, 20,255,688.36 and 9,701,470.80 is: 14,518,199.61
Step by Step Solution
- Step 1: Write the proportion equation
13,535,422.74 : 20,255,688.36 = 9,701,470.80 : x - Step 2: Convert to fraction form
13,535,422.74/20,255,688.36 = 9,701,470.80/x - Step 3: Cross multiply
13,535,422.74x = 20,255,688.36 × 9,701,470.80 - Step 4: Simplify right side
13,535,422.74x = 196,509,969,158,439.91 - Step 5: Solve for x
x = 196,509,969,158,439.91/13,535,422.74 - Step 6: Final answer
x = 14,518,199.61
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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.