Finding the Fourth Proportional to 21,075,257.08, 29,073,202.86 and 14,106,225.88
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Solution
The fourth proportional to 21,075,257.08, 29,073,202.86 and 14,106,225.88 is: 19,459,462.11
Step by Step Solution
- Step 1: Write the proportion equation
21,075,257.08 : 29,073,202.86 = 14,106,225.88 : x - Step 2: Convert to fraction form
21,075,257.08/29,073,202.86 = 14,106,225.88/x - Step 3: Cross multiply
21,075,257.08x = 29,073,202.86 × 14,106,225.88 - Step 4: Simplify right side
21,075,257.08x = 410,113,166,598,222.06 - Step 5: Solve for x
x = 410,113,166,598,222.06/21,075,257.08 - Step 6: Final answer
x = 19,459,462.11
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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.