Finding the Fourth Proportional to 26,612,657.20, 39,918,985.80 and 9,571,115.80
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Solution
The fourth proportional to 26,612,657.20, 39,918,985.80 and 9,571,115.80 is: 14,356,673.70
Step by Step Solution
- Step 1: Write the proportion equation
26,612,657.20 : 39,918,985.80 = 9,571,115.80 : x - Step 2: Convert to fraction form
26,612,657.20/39,918,985.80 = 9,571,115.80/x - Step 3: Cross multiply
26,612,657.20x = 39,918,985.80 × 9,571,115.80 - Step 4: Simplify right side
26,612,657.20x = 382,069,235,710,355.62 - Step 5: Solve for x
x = 382,069,235,710,355.62/26,612,657.20 - Step 6: Final answer
x = 14,356,673.70
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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.