Finding the Fourth Proportional to 13,163,642.35, 19,748,156.62 and 4,526,621.07
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Solution
The fourth proportional to 13,163,642.35, 19,748,156.62 and 4,526,621.07 is: 6,790,857.68
Step by Step Solution
- Step 1: Write the proportion equation
13,163,642.35 : 19,748,156.62 = 4,526,621.07 : x - Step 2: Convert to fraction form
13,163,642.35/19,748,156.62 = 4,526,621.07/x - Step 3: Cross multiply
13,163,642.35x = 19,748,156.62 × 4,526,621.07 - Step 4: Simplify right side
13,163,642.35x = 89,392,421,767,656.92 - Step 5: Solve for x
x = 89,392,421,767,656.92/13,163,642.35 - Step 6: Final answer
x = 6,790,857.68
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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.