Finding the Fourth Proportional to 57,734,890.47, 86,615,261.69 and 19,395,358.92
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Solution
The fourth proportional to 57,734,890.47, 86,615,261.69 and 19,395,358.92 is: 29,097,380.71
Step by Step Solution
- Step 1: Write the proportion equation
57,734,890.47 : 86,615,261.69 = 19,395,358.92 : x - Step 2: Convert to fraction form
57,734,890.47/86,615,261.69 = 19,395,358.92/x - Step 3: Cross multiply
57,734,890.47x = 86,615,261.69 × 19,395,358.92 - Step 4: Simplify right side
57,734,890.47x = 1,679,934,088,330,299.25 - Step 5: Solve for x
x = 1,679,934,088,330,299.25/57,734,890.47 - Step 6: Final answer
x = 29,097,380.71
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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.