Finding the Fourth Proportional to 28,804,765.68, 39,753,657.15 and 17,648,662.36
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Solution
The fourth proportional to 28,804,765.68, 39,753,657.15 and 17,648,662.36 is: 24,357,041.48
Step by Step Solution
- Step 1: Write the proportion equation
28,804,765.68 : 39,753,657.15 = 17,648,662.36 : x - Step 2: Convert to fraction form
28,804,765.68/39,753,657.15 = 17,648,662.36/x - Step 3: Cross multiply
28,804,765.68x = 39,753,657.15 × 17,648,662.36 - Step 4: Simplify right side
28,804,765.68x = 701,598,872,516,165.75 - Step 5: Solve for x
x = 701,598,872,516,165.75/28,804,765.68 - Step 6: Final answer
x = 24,357,041.48
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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.