Finding the Fourth Proportional to 42,203,009.06, 63,303,332.60 and 13,450,869.98
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Solution
The fourth proportional to 42,203,009.06, 63,303,332.60 and 13,450,869.98 is: 20,175,928.56
Step by Step Solution
- Step 1: Write the proportion equation
42,203,009.06 : 63,303,332.60 = 13,450,869.98 : x - Step 2: Convert to fraction form
42,203,009.06/63,303,332.60 = 13,450,869.98/x - Step 3: Cross multiply
42,203,009.06x = 63,303,332.60 × 13,450,869.98 - Step 4: Simplify right side
42,203,009.06x = 851,484,895,769,965.12 - Step 5: Solve for x
x = 851,484,895,769,965.12/42,203,009.06 - Step 6: Final answer
x = 20,175,928.56
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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.