Home / 10,407,080.77-15,610,533.59-8,134,516.69

Finding the Fourth Proportional to 10,407,080.77, 15,610,533.59 and 8,134,516.69

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Solution

The fourth proportional to 10,407,080.77, 15,610,533.59 and 8,134,516.69 is: 12,201,706.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,407,080.77 : 15,610,533.59 = 8,134,516.69 : x
  2. Step 2: Convert to fraction form
    10,407,080.77/15,610,533.59 = 8,134,516.69/x
  3. Step 3: Cross multiply
    10,407,080.77x = 15,610,533.59 × 8,134,516.69
  4. Step 4: Simplify right side
    10,407,080.77x = 126,984,145,986,988.05
  5. Step 5: Solve for x
    x = 126,984,145,986,988.05/10,407,080.77
  6. Step 6: Final answer
    x = 12,201,706.59

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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.