Finding the Fourth Proportional to 42,021,340.80, 62,994,686.40 and 24,963,907.20
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Solution
The fourth proportional to 42,021,340.80, 62,994,686.40 and 24,963,907.20 is: 37,423,687.00
Step by Step Solution
- Step 1: Write the proportion equation
42,021,340.80 : 62,994,686.40 = 24,963,907.20 : x - Step 2: Convert to fraction form
42,021,340.80/62,994,686.40 = 24,963,907.20/x - Step 3: Cross multiply
42,021,340.80x = 62,994,686.40 × 24,963,907.20 - Step 4: Simplify right side
42,021,340.80x = 1,572,593,505,382,702 - Step 5: Solve for x
x = 1,572,593,505,382,702/42,021,340.80 - Step 6: Final answer
x = 37,423,687.00
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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.