Finding the Fourth Proportional to 26,753,394.96, 36,918,449.49 and 15,151,041.48
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Solution
The fourth proportional to 26,753,394.96, 36,918,449.49 and 15,151,041.48 is: 20,907,737.52
Step by Step Solution
- Step 1: Write the proportion equation
26,753,394.96 : 36,918,449.49 = 15,151,041.48 : x - Step 2: Convert to fraction form
26,753,394.96/36,918,449.49 = 15,151,041.48/x - Step 3: Cross multiply
26,753,394.96x = 36,918,449.49 × 15,151,041.48 - Step 4: Simplify right side
26,753,394.96x = 559,352,959,600,274.88 - Step 5: Solve for x
x = 559,352,959,600,274.88/26,753,394.96 - Step 6: Final answer
x = 20,907,737.52
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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.