Home / 10,253,754.40-15,364,042.80-6,460,448.80

Finding the Fourth Proportional to 10,253,754.40, 15,364,042.80 and 6,460,448.80

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Solution

The fourth proportional to 10,253,754.40, 15,364,042.80 and 6,460,448.80 is: 9,680,221.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,253,754.40 : 15,364,042.80 = 6,460,448.80 : x
  2. Step 2: Convert to fraction form
    10,253,754.40/15,364,042.80 = 6,460,448.80/x
  3. Step 3: Cross multiply
    10,253,754.40x = 15,364,042.80 × 6,460,448.80
  4. Step 4: Simplify right side
    10,253,754.40x = 99,258,611,870,408.64
  5. Step 5: Solve for x
    x = 99,258,611,870,408.64/10,253,754.40
  6. Step 6: Final answer
    x = 9,680,221.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.