Finding the Fourth Proportional to 10,306,289.80, 15,459,434.70 and 9,833,897.80
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Solution
The fourth proportional to 10,306,289.80, 15,459,434.70 and 9,833,897.80 is: 14,750,846.70
Step by Step Solution
- Step 1: Write the proportion equation
10,306,289.80 : 15,459,434.70 = 9,833,897.80 : x - Step 2: Convert to fraction form
10,306,289.80/15,459,434.70 = 9,833,897.80/x - Step 3: Cross multiply
10,306,289.80x = 15,459,434.70 × 9,833,897.80 - Step 4: Simplify right side
10,306,289.80x = 152,026,500,885,573.66 - Step 5: Solve for x
x = 152,026,500,885,573.66/10,306,289.80 - Step 6: Final answer
x = 14,750,846.70
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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.