Finding the Fourth Proportional to 13,056,438.80, 19,572,216.60 and 10,176,208.40
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Solution
The fourth proportional to 13,056,438.80, 19,572,216.60 and 10,176,208.40 is: 15,254,615.60
Step by Step Solution
- Step 1: Write the proportion equation
13,056,438.80 : 19,572,216.60 = 10,176,208.40 : x - Step 2: Convert to fraction form
13,056,438.80/19,572,216.60 = 10,176,208.40/x - Step 3: Cross multiply
13,056,438.80x = 19,572,216.60 × 10,176,208.40 - Step 4: Simplify right side
13,056,438.80x = 199,170,954,971,539.47 - Step 5: Solve for x
x = 199,170,954,971,539.47/13,056,438.80 - Step 6: Final answer
x = 15,254,615.60
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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.