Finding the Fourth Proportional to 14,275,639.10, 19,700,407.14 and 7,749,273.08
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Solution
The fourth proportional to 14,275,639.10, 19,700,407.14 and 7,749,273.08 is: 10,694,010.52
Step by Step Solution
- Step 1: Write the proportion equation
14,275,639.10 : 19,700,407.14 = 7,749,273.08 : x - Step 2: Convert to fraction form
14,275,639.10/19,700,407.14 = 7,749,273.08/x - Step 3: Cross multiply
14,275,639.10x = 19,700,407.14 × 7,749,273.08 - Step 4: Simplify right side
14,275,639.10x = 152,663,834,715,041.81 - Step 5: Solve for x
x = 152,663,834,715,041.81/14,275,639.10 - Step 6: Final answer
x = 10,694,010.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.