Finding the Fourth Proportional to 13,153,282.70, 19,701,930.45 and 10,913,794.70
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Solution
The fourth proportional to 13,153,282.70, 19,701,930.45 and 10,913,794.70 is: 16,347,464.66
Step by Step Solution
- Step 1: Write the proportion equation
13,153,282.70 : 19,701,930.45 = 10,913,794.70 : x - Step 2: Convert to fraction form
13,153,282.70/19,701,930.45 = 10,913,794.70/x - Step 3: Cross multiply
13,153,282.70x = 19,701,930.45 × 10,913,794.70 - Step 4: Simplify right side
13,153,282.70x = 215,022,824,124,978.59 - Step 5: Solve for x
x = 215,022,824,124,978.59/13,153,282.70 - Step 6: Final answer
x = 16,347,464.66
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.