Finding the Fourth Proportional to 7,104,335.20, 10,656,502.80 and 4,553,418.40
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Solution
The fourth proportional to 7,104,335.20, 10,656,502.80 and 4,553,418.40 is: 6,830,127.60
Step by Step Solution
- Step 1: Write the proportion equation
7,104,335.20 : 10,656,502.80 = 4,553,418.40 : x - Step 2: Convert to fraction form
7,104,335.20/10,656,502.80 = 4,553,418.40/x - Step 3: Cross multiply
7,104,335.20x = 10,656,502.80 × 4,553,418.40 - Step 4: Simplify right side
7,104,335.20x = 48,523,515,929,171.53 - Step 5: Solve for x
x = 48,523,515,929,171.53/7,104,335.20 - Step 6: Final answer
x = 6,830,127.60
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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.