Finding the Fourth Proportional to 7,909,751.95, 11,865,575.68 and 2,791,124.58
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Solution
The fourth proportional to 7,909,751.95, 11,865,575.68 and 2,791,124.58 is: 4,187,021.30
Step by Step Solution
- Step 1: Write the proportion equation
7,909,751.95 : 11,865,575.68 = 2,791,124.58 : x - Step 2: Convert to fraction form
7,909,751.95/11,865,575.68 = 2,791,124.58/x - Step 3: Cross multiply
7,909,751.95x = 11,865,575.68 × 2,791,124.58 - Step 4: Simplify right side
7,909,751.95x = 33,118,299,903,148.12 - Step 5: Solve for x
x = 33,118,299,903,148.12/7,909,751.95 - Step 6: Final answer
x = 4,187,021.30
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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.