Finding the Fourth Proportional to 28,874,927.10, 43,312,390.65 and 18,125,384.70
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Solution
The fourth proportional to 28,874,927.10, 43,312,390.65 and 18,125,384.70 is: 27,188,077.05
Step by Step Solution
- Step 1: Write the proportion equation
28,874,927.10 : 43,312,390.65 = 18,125,384.70 : x - Step 2: Convert to fraction form
28,874,927.10/43,312,390.65 = 18,125,384.70/x - Step 3: Cross multiply
28,874,927.10x = 43,312,390.65 × 18,125,384.70 - Step 4: Simplify right side
28,874,927.10x = 785,053,742,807,933 - Step 5: Solve for x
x = 785,053,742,807,933/28,874,927.10 - Step 6: Final answer
x = 27,188,077.05
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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.