Finding the Fourth Proportional to 13,385,944.98, 18,471,101.90 and 7,583,484.06
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Solution
The fourth proportional to 13,385,944.98, 18,471,101.90 and 7,583,484.06 is: 10,464,356.98
Step by Step Solution
- Step 1: Write the proportion equation
13,385,944.98 : 18,471,101.90 = 7,583,484.06 : x - Step 2: Convert to fraction form
13,385,944.98/18,471,101.90 = 7,583,484.06/x - Step 3: Cross multiply
13,385,944.98x = 18,471,101.90 × 7,583,484.06 - Step 4: Simplify right side
13,385,944.98x = 140,075,306,791,368.28 - Step 5: Solve for x
x = 140,075,306,791,368.28/13,385,944.98 - Step 6: Final answer
x = 10,464,356.98
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.