Finding the Fourth Proportional to 11,303,347.56, 15,599,029.14 and 6,475,384.68
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Solution
The fourth proportional to 11,303,347.56, 15,599,029.14 and 6,475,384.68 is: 8,936,265.45
Step by Step Solution
- Step 1: Write the proportion equation
11,303,347.56 : 15,599,029.14 = 6,475,384.68 : x - Step 2: Convert to fraction form
11,303,347.56/15,599,029.14 = 6,475,384.68/x - Step 3: Cross multiply
11,303,347.56x = 15,599,029.14 × 6,475,384.68 - Step 4: Simplify right side
11,303,347.56x = 101,009,714,316,029.58 - Step 5: Solve for x
x = 101,009,714,316,029.58/11,303,347.56 - Step 6: Final answer
x = 8,936,265.45
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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.