Finding the Fourth Proportional to 28,893,800.08, 39,873,497.41 and 15,662,936.08
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Solution
The fourth proportional to 28,893,800.08, 39,873,497.41 and 15,662,936.08 is: 21,614,880.68
Step by Step Solution
- Step 1: Write the proportion equation
28,893,800.08 : 39,873,497.41 = 15,662,936.08 : x - Step 2: Convert to fraction form
28,893,800.08/39,873,497.41 = 15,662,936.08/x - Step 3: Cross multiply
28,893,800.08x = 39,873,497.41 × 15,662,936.08 - Step 4: Simplify right side
28,893,800.08x = 624,536,041,218,875.50 - Step 5: Solve for x
x = 624,536,041,218,875.50/28,893,800.08 - Step 6: Final answer
x = 21,614,880.68
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.