Finding the Fourth Proportional to 14,277,483.12, 19,703,155.68 and 7,751,107.36
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Solution
The fourth proportional to 14,277,483.12, 19,703,155.68 and 7,751,107.36 is: 10,696,652.46
Step by Step Solution
- Step 1: Write the proportion equation
14,277,483.12 : 19,703,155.68 = 7,751,107.36 : x - Step 2: Convert to fraction form
14,277,483.12/19,703,155.68 = 7,751,107.36/x - Step 3: Cross multiply
14,277,483.12x = 19,703,155.68 × 7,751,107.36 - Step 4: Simplify right side
14,277,483.12x = 152,721,275,006,473.81 - Step 5: Solve for x
x = 152,721,275,006,473.81/14,277,483.12 - Step 6: Final answer
x = 10,696,652.46
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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.