Finding the Fourth Proportional to 10,966,430.99, 15,134,690.28 and 6,071,653.17
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Solution
The fourth proportional to 10,966,430.99, 15,134,690.28 and 6,071,653.17 is: 8,379,443.62
Step by Step Solution
- Step 1: Write the proportion equation
10,966,430.99 : 15,134,690.28 = 6,071,653.17 : x - Step 2: Convert to fraction form
10,966,430.99/15,134,690.28 = 6,071,653.17/x - Step 3: Cross multiply
10,966,430.99x = 15,134,690.28 × 6,071,653.17 - Step 4: Simplify right side
10,966,430.99x = 91,892,590,109,498.47 - Step 5: Solve for x
x = 91,892,590,109,498.47/10,966,430.99 - Step 6: Final answer
x = 8,379,443.62
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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.