Finding the Fourth Proportional to 19,430,184.80, 29,145,277.20 and 5,965,263.20
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Solution
The fourth proportional to 19,430,184.80, 29,145,277.20 and 5,965,263.20 is: 8,947,894.80
Step by Step Solution
- Step 1: Write the proportion equation
19,430,184.80 : 29,145,277.20 = 5,965,263.20 : x - Step 2: Convert to fraction form
19,430,184.80/29,145,277.20 = 5,965,263.20/x - Step 3: Cross multiply
19,430,184.80x = 29,145,277.20 × 5,965,263.20 - Step 4: Simplify right side
19,430,184.80x = 173,859,249,534,959.03 - Step 5: Solve for x
x = 173,859,249,534,959.03/19,430,184.80 - Step 6: Final answer
x = 8,947,894.80
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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.