Finding the Fourth Proportional to 14,243,582.04, 19,662,955.38 and 8,130,829.56
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Solution
The fourth proportional to 14,243,582.04, 19,662,955.38 and 8,130,829.56 is: 11,224,433.46
Step by Step Solution
- Step 1: Write the proportion equation
14,243,582.04 : 19,662,955.38 = 8,130,829.56 : x - Step 2: Convert to fraction form
14,243,582.04/19,662,955.38 = 8,130,829.56/x - Step 3: Cross multiply
14,243,582.04x = 19,662,955.38 × 8,130,829.56 - Step 4: Simplify right side
14,243,582.04x = 159,876,138,840,665.03 - Step 5: Solve for x
x = 159,876,138,840,665.03/14,243,582.04 - Step 6: Final answer
x = 11,224,433.46
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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.