Finding the Fourth Proportional to 13,122,675.78, 19,684,130.58 and 4,024,815.84
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Solution
The fourth proportional to 13,122,675.78, 19,684,130.58 and 4,024,815.84 is: 6,037,259.62
Step by Step Solution
- Step 1: Write the proportion equation
13,122,675.78 : 19,684,130.58 = 4,024,815.84 : x - Step 2: Convert to fraction form
13,122,675.78/19,684,130.58 = 4,024,815.84/x - Step 3: Cross multiply
13,122,675.78x = 19,684,130.58 × 4,024,815.84 - Step 4: Simplify right side
13,122,675.78x = 79,225,000,555,012.38 - Step 5: Solve for x
x = 79,225,000,555,012.38/13,122,675.78 - Step 6: Final answer
x = 6,037,259.62
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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.