Finding the Fourth Proportional to 56,130,900.75, 84,196,354.37 and 13,580,628.75
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Solution
The fourth proportional to 56,130,900.75, 84,196,354.37 and 13,580,628.75 is: 20,370,943.91
Step by Step Solution
- Step 1: Write the proportion equation
56,130,900.75 : 84,196,354.37 = 13,580,628.75 : x - Step 2: Convert to fraction form
56,130,900.75/84,196,354.37 = 13,580,628.75/x - Step 3: Cross multiply
56,130,900.75x = 84,196,354.37 × 13,580,628.75 - Step 4: Simplify right side
56,130,900.75x = 1,143,439,430,734,507 - Step 5: Solve for x
x = 1,143,439,430,734,507/56,130,900.75 - Step 6: Final answer
x = 20,370,943.91
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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.