Finding the Fourth Proportional to 12,539,355.75, 18,809,267.00 and 3,564,141.03
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Solution
The fourth proportional to 12,539,355.75, 18,809,267.00 and 3,564,141.03 is: 5,346,277.88
Step by Step Solution
- Step 1: Write the proportion equation
12,539,355.75 : 18,809,267.00 = 3,564,141.03 : x - Step 2: Convert to fraction form
12,539,355.75/18,809,267.00 = 3,564,141.03/x - Step 3: Cross multiply
12,539,355.75x = 18,809,267.00 × 3,564,141.03 - Step 4: Simplify right side
12,539,355.75x = 67,038,880,241,104.30 - Step 5: Solve for x
x = 67,038,880,241,104.30/12,539,355.75 - Step 6: Final answer
x = 5,346,277.88
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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.