Finding the Fourth Proportional to 13,493,518.84, 20,239,024.38 and 3,779,010.64
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Solution
The fourth proportional to 13,493,518.84, 20,239,024.38 and 3,779,010.64 is: 5,668,164.80
Step by Step Solution
- Step 1: Write the proportion equation
13,493,518.84 : 20,239,024.38 = 3,779,010.64 : x - Step 2: Convert to fraction form
13,493,518.84/20,239,024.38 = 3,779,010.64/x - Step 3: Cross multiply
13,493,518.84x = 20,239,024.38 × 3,779,010.64 - Step 4: Simplify right side
13,493,518.84x = 76,483,488,475,239.41 - Step 5: Solve for x
x = 76,483,488,475,239.41/13,493,518.84 - Step 6: Final answer
x = 5,668,164.80
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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.