Finding the Fourth Proportional to 55,862,867.80, 83,794,301.70 and 15,473,351.80
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Solution
The fourth proportional to 55,862,867.80, 83,794,301.70 and 15,473,351.80 is: 23,210,027.70
Step by Step Solution
- Step 1: Write the proportion equation
55,862,867.80 : 83,794,301.70 = 15,473,351.80 : x - Step 2: Convert to fraction form
55,862,867.80/83,794,301.70 = 15,473,351.80/x - Step 3: Cross multiply
55,862,867.80x = 83,794,301.70 × 15,473,351.80 - Step 4: Simplify right side
55,862,867.80x = 1,296,578,709,039,438.25 - Step 5: Solve for x
x = 1,296,578,709,039,438.25/55,862,867.80 - Step 6: Final answer
x = 23,210,027.70
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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.