Finding the Fourth Proportional to 38,908,779.02, 53,694,015.64 and 22,163,515.98
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Solution
The fourth proportional to 38,908,779.02, 53,694,015.64 and 22,163,515.98 is: 30,585,595.43
Step by Step Solution
- Step 1: Write the proportion equation
38,908,779.02 : 53,694,015.64 = 22,163,515.98 : x - Step 2: Convert to fraction form
38,908,779.02/53,694,015.64 = 22,163,515.98/x - Step 3: Cross multiply
38,908,779.02x = 53,694,015.64 × 22,163,515.98 - Step 4: Simplify right side
38,908,779.02x = 1,190,048,173,667,510 - Step 5: Solve for x
x = 1,190,048,173,667,510/38,908,779.02 - Step 6: Final answer
x = 30,585,595.43
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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.