Finding the Fourth Proportional to 42,410,438.80, 63,596,995.80 and 16,842,950.80
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Solution
The fourth proportional to 42,410,438.80, 63,596,995.80 and 16,842,950.80 is: 25,257,014.58
Step by Step Solution
- Step 1: Write the proportion equation
42,410,438.80 : 63,596,995.80 = 16,842,950.80 : x - Step 2: Convert to fraction form
42,410,438.80/63,596,995.80 = 16,842,950.80/x - Step 3: Cross multiply
42,410,438.80x = 63,596,995.80 × 16,842,950.80 - Step 4: Simplify right side
42,410,438.80x = 1,071,161,071,287,206.62 - Step 5: Solve for x
x = 1,071,161,071,287,206.62/42,410,438.80 - Step 6: Final answer
x = 25,257,014.58
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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.