Finding the Fourth Proportional to 9,658,352.80, 14,487,529.20 and 6,257,130.40
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Solution
The fourth proportional to 9,658,352.80, 14,487,529.20 and 6,257,130.40 is: 9,385,695.60
Step by Step Solution
- Step 1: Write the proportion equation
9,658,352.80 : 14,487,529.20 = 6,257,130.40 : x - Step 2: Convert to fraction form
9,658,352.80/14,487,529.20 = 6,257,130.40/x - Step 3: Cross multiply
9,658,352.80x = 14,487,529.20 × 6,257,130.40 - Step 4: Simplify right side
9,658,352.80x = 90,650,359,378,207.69 - Step 5: Solve for x
x = 90,650,359,378,207.69/9,658,352.80 - Step 6: Final answer
x = 9,385,695.60
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1.5x scale
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.