Finding the Fourth Proportional to 16,251,973.11, 22,427,237.46 and 8,909,555.28
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Solution
The fourth proportional to 16,251,973.11, 22,427,237.46 and 8,909,555.28 is: 12,294,920.17
Step by Step Solution
- Step 1: Write the proportion equation
16,251,973.11 : 22,427,237.46 = 8,909,555.28 : x - Step 2: Convert to fraction form
16,251,973.11/22,427,237.46 = 8,909,555.28/x - Step 3: Cross multiply
16,251,973.11x = 22,427,237.46 × 8,909,555.28 - Step 4: Simplify right side
16,251,973.11x = 199,816,711,927,556.78 - Step 5: Solve for x
x = 199,816,711,927,556.78/16,251,973.11 - Step 6: Final answer
x = 12,294,920.17
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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.