Finding the Fourth Proportional to 42,203,008.87, 63,303,332.32 and 13,450,869.79
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Solution
The fourth proportional to 42,203,008.87, 63,303,332.32 and 13,450,869.79 is: 20,175,928.28
Step by Step Solution
- Step 1: Write the proportion equation
42,203,008.87 : 63,303,332.32 = 13,450,869.79 : x - Step 2: Convert to fraction form
42,203,008.87/63,303,332.32 = 13,450,869.79/x - Step 3: Cross multiply
42,203,008.87x = 63,303,332.32 × 13,450,869.79 - Step 4: Simplify right side
42,203,008.87x = 851,484,880,167,973.88 - Step 5: Solve for x
x = 851,484,880,167,973.88/42,203,008.87 - Step 6: Final answer
x = 20,175,928.28
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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.