Finding the Fourth Proportional to 42,521,890.44, 63,792,995.64 and 13,768,057.80
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Solution
The fourth proportional to 42,521,890.44, 63,792,995.64 and 13,768,057.80 is: 20,655,376.37
Step by Step Solution
- Step 1: Write the proportion equation
42,521,890.44 : 63,792,995.64 = 13,768,057.80 : x - Step 2: Convert to fraction form
42,521,890.44/63,792,995.64 = 13,768,057.80/x - Step 3: Cross multiply
42,521,890.44x = 63,792,995.64 × 13,768,057.80 - Step 4: Simplify right side
42,521,890.44x = 878,305,651,206,668 - Step 5: Solve for x
x = 878,305,651,206,668/42,521,890.44 - Step 6: Final answer
x = 20,655,376.37
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.