Finding the Fourth Proportional to 23,154,924.30, 31,959,602.28 and 15,725,157.63
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Solution
The fourth proportional to 23,154,924.30, 31,959,602.28 and 15,725,157.63 is: 21,704,661.05
Step by Step Solution
- Step 1: Write the proportion equation
23,154,924.30 : 31,959,602.28 = 15,725,157.63 : x - Step 2: Convert to fraction form
23,154,924.30/31,959,602.28 = 15,725,157.63/x - Step 3: Cross multiply
23,154,924.30x = 31,959,602.28 × 15,725,157.63 - Step 4: Simplify right side
23,154,924.30x = 502,569,783,645,107.44 - Step 5: Solve for x
x = 502,569,783,645,107.44/23,154,924.30 - Step 6: Final answer
x = 21,704,661.05
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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.