Finding the Fourth Proportional to 10,873,669.68, 16,299,730.84 and 5,106,078.76
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Solution
The fourth proportional to 10,873,669.68, 16,299,730.84 and 5,106,078.76 is: 7,654,059.01
Step by Step Solution
- Step 1: Write the proportion equation
10,873,669.68 : 16,299,730.84 = 5,106,078.76 : x - Step 2: Convert to fraction form
10,873,669.68/16,299,730.84 = 5,106,078.76/x - Step 3: Cross multiply
10,873,669.68x = 16,299,730.84 × 5,106,078.76 - Step 4: Simplify right side
10,873,669.68x = 83,227,709,435,840.95 - Step 5: Solve for x
x = 83,227,709,435,840.95/10,873,669.68 - Step 6: Final answer
x = 7,654,059.01
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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.