Finding the Fourth Proportional to 7,137,127.02, 9,849,078.99 and 3,873,948.06
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Solution
The fourth proportional to 7,137,127.02, 9,849,078.99 and 3,873,948.06 is: 5,345,963.49
Step by Step Solution
- Step 1: Write the proportion equation
7,137,127.02 : 9,849,078.99 = 3,873,948.06 : x - Step 2: Convert to fraction form
7,137,127.02/9,849,078.99 = 3,873,948.06/x - Step 3: Cross multiply
7,137,127.02x = 9,849,078.99 × 3,873,948.06 - Step 4: Simplify right side
7,137,127.02x = 38,154,820,446,097.26 - Step 5: Solve for x
x = 38,154,820,446,097.26/7,137,127.02 - Step 6: Final answer
x = 5,345,963.49
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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.