Finding the Fourth Proportional to 55,718,407.28, 83,560,814.76 and 19,814,438
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Solution
The fourth proportional to 55,718,407.28, 83,560,814.76 and 19,814,438 is: 29,715,683.99
Step by Step Solution
- Step 1: Write the proportion equation
55,718,407.28 : 83,560,814.76 = 19,814,438 : x - Step 2: Convert to fraction form
55,718,407.28/83,560,814.76 = 19,814,438/x - Step 3: Cross multiply
55,718,407.28x = 83,560,814.76 × 19,814,438 - Step 4: Simplify right side
55,718,407.28x = 1,655,710,583,291,505 - Step 5: Solve for x
x = 1,655,710,583,291,505/55,718,407.28 - Step 6: Final answer
x = 29,715,683.99
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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.