Finding the Fourth Proportional to 10,220,804.96, 15,341,841.12 and 7,528,170.56
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Solution
The fourth proportional to 10,220,804.96, 15,341,841.12 and 7,528,170.56 is: 11,300,088.12
Step by Step Solution
- Step 1: Write the proportion equation
10,220,804.96 : 15,341,841.12 = 7,528,170.56 : x - Step 2: Convert to fraction form
10,220,804.96/15,341,841.12 = 7,528,170.56/x - Step 3: Cross multiply
10,220,804.96x = 15,341,841.12 × 7,528,170.56 - Step 4: Simplify right side
10,220,804.96x = 115,495,996,655,781.42 - Step 5: Solve for x
x = 115,495,996,655,781.42/10,220,804.96 - Step 6: Final answer
x = 11,300,088.12
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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.