Finding the Fourth Proportional to 11,470,666.46, 15,829,937.43 and 6,243,422.07
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Solution
The fourth proportional to 11,470,666.46, 15,829,937.43 and 6,243,422.07 is: 8,616,149.82
Step by Step Solution
- Step 1: Write the proportion equation
11,470,666.46 : 15,829,937.43 = 6,243,422.07 : x - Step 2: Convert to fraction form
11,470,666.46/15,829,937.43 = 6,243,422.07/x - Step 3: Cross multiply
11,470,666.46x = 15,829,937.43 × 6,243,422.07 - Step 4: Simplify right side
11,470,666.46x = 98,832,980,753,130.52 - Step 5: Solve for x
x = 98,832,980,753,130.52/11,470,666.46 - Step 6: Final answer
x = 8,616,149.82
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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.