Finding the Fourth Proportional to 26,623,038.77, 39,947,205 and 18,438,276.45
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Solution
The fourth proportional to 26,623,038.77, 39,947,205 and 18,438,276.45 is: 27,666,173.48
Step by Step Solution
- Step 1: Write the proportion equation
26,623,038.77 : 39,947,205 = 18,438,276.45 : x - Step 2: Convert to fraction form
26,623,038.77/39,947,205 = 18,438,276.45/x - Step 3: Cross multiply
26,623,038.77x = 39,947,205 × 18,438,276.45 - Step 4: Simplify right side
26,623,038.77x = 736,557,609,194,822.25 - Step 5: Solve for x
x = 736,557,609,194,822.25/26,623,038.77 - Step 6: Final answer
x = 27,666,173.48
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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.