Finding the Fourth Proportional to 28,352,801.70, 42,529,202.55 and 8,158,043.70
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Solution
The fourth proportional to 28,352,801.70, 42,529,202.55 and 8,158,043.70 is: 12,237,065.55
Step by Step Solution
- Step 1: Write the proportion equation
28,352,801.70 : 42,529,202.55 = 8,158,043.70 : x - Step 2: Convert to fraction form
28,352,801.70/42,529,202.55 = 8,158,043.70/x - Step 3: Cross multiply
28,352,801.70x = 42,529,202.55 × 8,158,043.70 - Step 4: Simplify right side
28,352,801.70x = 346,955,092,929,051.44 - Step 5: Solve for x
x = 346,955,092,929,051.44/28,352,801.70 - Step 6: Final answer
x = 12,237,065.55
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1.5x scale
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.