Finding the Fourth Proportional to 7,495,399.76, 10,343,461.29 and 4,187,719.44
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Solution
The fourth proportional to 7,495,399.76, 10,343,461.29 and 4,187,719.44 is: 5,778,946.46
Step by Step Solution
- Step 1: Write the proportion equation
7,495,399.76 : 10,343,461.29 = 4,187,719.44 : x - Step 2: Convert to fraction form
7,495,399.76/10,343,461.29 = 4,187,719.44/x - Step 3: Cross multiply
7,495,399.76x = 10,343,461.29 × 4,187,719.44 - Step 4: Simplify right side
7,495,399.76x = 43,315,513,905,316.53 - Step 5: Solve for x
x = 43,315,513,905,316.53/7,495,399.76 - Step 6: Final answer
x = 5,778,946.46
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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.