Finding the Fourth Proportional to 7,249,257.86, 9,994,689.17 and 5,937,678.12
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Solution
The fourth proportional to 7,249,257.86, 9,994,689.17 and 5,937,678.12 is: 8,186,389.32
Step by Step Solution
- Step 1: Write the proportion equation
7,249,257.86 : 9,994,689.17 = 5,937,678.12 : x - Step 2: Convert to fraction form
7,249,257.86/9,994,689.17 = 5,937,678.12/x - Step 3: Cross multiply
7,249,257.86x = 9,994,689.17 × 5,937,678.12 - Step 4: Simplify right side
7,249,257.86x = 59,345,247,150,936.52 - Step 5: Solve for x
x = 59,345,247,150,936.52/7,249,257.86 - Step 6: Final answer
x = 8,186,389.32
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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.