Finding the Fourth Proportional to 10,170,307.70, 14,026,903.83 and 6,689,220.17
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Solution
The fourth proportional to 10,170,307.70, 14,026,903.83 and 6,689,220.17 is: 9,225,782.61
Step by Step Solution
- Step 1: Write the proportion equation
10,170,307.70 : 14,026,903.83 = 6,689,220.17 : x - Step 2: Convert to fraction form
10,170,307.70/14,026,903.83 = 6,689,220.17/x - Step 3: Cross multiply
10,170,307.70x = 14,026,903.83 × 6,689,220.17 - Step 4: Simplify right side
10,170,307.70x = 93,829,047,933,341.64 - Step 5: Solve for x
x = 93,829,047,933,341.64/10,170,307.70 - Step 6: Final answer
x = 9,225,782.61
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.