Finding the Fourth Proportional to 13,043,135.60, 19,564,703.40 and 8,235,234.80
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Solution
The fourth proportional to 13,043,135.60, 19,564,703.40 and 8,235,234.80 is: 12,352,852.20
Step by Step Solution
- Step 1: Write the proportion equation
13,043,135.60 : 19,564,703.40 = 8,235,234.80 : x - Step 2: Convert to fraction form
13,043,135.60/19,564,703.40 = 8,235,234.80/x - Step 3: Cross multiply
13,043,135.60x = 19,564,703.40 × 8,235,234.80 - Step 4: Simplify right side
13,043,135.60x = 161,119,926,291,358.31 - Step 5: Solve for x
x = 161,119,926,291,358.31/13,043,135.60 - Step 6: Final answer
x = 12,352,852.20
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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.