Finding the Fourth Proportional to 9,742,433.20, 14,585,656.20 and 8,734,663.60
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Solution
The fourth proportional to 9,742,433.20, 14,585,656.20 and 8,734,663.60 is: 13,076,897.49
Step by Step Solution
- Step 1: Write the proportion equation
9,742,433.20 : 14,585,656.20 = 8,734,663.60 : x - Step 2: Convert to fraction form
9,742,433.20/14,585,656.20 = 8,734,663.60/x - Step 3: Cross multiply
9,742,433.20x = 14,585,656.20 × 8,734,663.60 - Step 4: Simplify right side
9,742,433.20x = 127,400,800,292,254.31 - Step 5: Solve for x
x = 127,400,800,292,254.31/9,742,433.20 - Step 6: Final answer
x = 13,076,897.49
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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.