Finding the Fourth Proportional to 13,202,312.24, 19,799,626.51 and 5,113,483.76
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Solution
The fourth proportional to 13,202,312.24, 19,799,626.51 and 5,113,483.76 is: 7,668,737.63
Step by Step Solution
- Step 1: Write the proportion equation
13,202,312.24 : 19,799,626.51 = 5,113,483.76 : x - Step 2: Convert to fraction form
13,202,312.24/19,799,626.51 = 5,113,483.76/x - Step 3: Cross multiply
13,202,312.24x = 19,799,626.51 × 5,113,483.76 - Step 4: Simplify right side
13,202,312.24x = 101,245,068,612,950.48 - Step 5: Solve for x
x = 101,245,068,612,950.48/13,202,312.24 - Step 6: Final answer
x = 7,668,737.63
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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.