Finding the Fourth Proportional to 14,652,352.40, 21,980,602.20 and 4,553,920.40
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Solution
The fourth proportional to 14,652,352.40, 21,980,602.20 and 4,553,920.40 is: 6,831,525.07
Step by Step Solution
- Step 1: Write the proportion equation
14,652,352.40 : 21,980,602.20 = 4,553,920.40 : x - Step 2: Convert to fraction form
14,652,352.40/21,980,602.20 = 4,553,920.40/x - Step 3: Cross multiply
14,652,352.40x = 21,980,602.20 × 4,553,920.40 - Step 4: Simplify right side
14,652,352.40x = 100,097,912,762,864.89 - Step 5: Solve for x
x = 100,097,912,762,864.89/14,652,352.40 - Step 6: Final answer
x = 6,831,525.07
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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.