Finding the Fourth Proportional to 6,838,885.80, 10,258,328.70 and 6,791,646.60
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Solution
The fourth proportional to 6,838,885.80, 10,258,328.70 and 6,791,646.60 is: 10,187,469.90
Step by Step Solution
- Step 1: Write the proportion equation
6,838,885.80 : 10,258,328.70 = 6,791,646.60 : x - Step 2: Convert to fraction form
6,838,885.80/10,258,328.70 = 6,791,646.60/x - Step 3: Cross multiply
6,838,885.80x = 10,258,328.70 × 6,791,646.60 - Step 4: Simplify right side
6,838,885.80x = 69,670,943,237,037.41 - Step 5: Solve for x
x = 69,670,943,237,037.41/6,838,885.80 - Step 6: Final answer
x = 10,187,469.90
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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.