Finding the Fourth Proportional to 10,999,101.96, 15,180,584.76 and 6,415,423.02
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Solution
The fourth proportional to 10,999,101.96, 15,180,584.76 and 6,415,423.02 is: 8,854,347.68
Step by Step Solution
- Step 1: Write the proportion equation
10,999,101.96 : 15,180,584.76 = 6,415,423.02 : x - Step 2: Convert to fraction form
10,999,101.96/15,180,584.76 = 6,415,423.02/x - Step 3: Cross multiply
10,999,101.96x = 15,180,584.76 × 6,415,423.02 - Step 4: Simplify right side
10,999,101.96x = 97,389,872,926,365.17 - Step 5: Solve for x
x = 97,389,872,926,365.17/10,999,101.96 - Step 6: Final answer
x = 8,854,347.68
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.