Finding the Fourth Proportional to 15,750,603.20, 23,578,665.60 and 9,357,564.80
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Solution
The fourth proportional to 15,750,603.20, 23,578,665.60 and 9,357,564.80 is: 14,008,282.00
Step by Step Solution
- Step 1: Write the proportion equation
15,750,603.20 : 23,578,665.60 = 9,357,564.80 : x - Step 2: Convert to fraction form
15,750,603.20/23,578,665.60 = 9,357,564.80/x - Step 3: Cross multiply
15,750,603.20x = 23,578,665.60 × 9,357,564.80 - Step 4: Simplify right side
15,750,603.20x = 220,638,891,249,530.91 - Step 5: Solve for x
x = 220,638,891,249,530.91/15,750,603.20 - Step 6: Final answer
x = 14,008,282.00
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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.