Finding the Fourth Proportional to 26,124,851.48, 39,187,402.38 and 7,929,204.66
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Solution
The fourth proportional to 26,124,851.48, 39,187,402.38 and 7,929,204.66 is: 11,893,844.98
Step by Step Solution
- Step 1: Write the proportion equation
26,124,851.48 : 39,187,402.38 = 7,929,204.66 : x - Step 2: Convert to fraction form
26,124,851.48/39,187,402.38 = 7,929,204.66/x - Step 3: Cross multiply
26,124,851.48x = 39,187,402.38 × 7,929,204.66 - Step 4: Simplify right side
26,124,851.48x = 310,724,933,564,791.12 - Step 5: Solve for x
x = 310,724,933,564,791.12/26,124,851.48 - Step 6: Final answer
x = 11,893,844.98
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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.