Home / 12,761,630.56-17,610,620.40-7,602,319.84

Finding the Fourth Proportional to 12,761,630.56, 17,610,620.40 and 7,602,319.84

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Solution

The fourth proportional to 12,761,630.56, 17,610,620.40 and 7,602,319.84 is: 10,490,945.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,761,630.56 : 17,610,620.40 = 7,602,319.84 : x
  2. Step 2: Convert to fraction form
    12,761,630.56/17,610,620.40 = 7,602,319.84/x
  3. Step 3: Cross multiply
    12,761,630.56x = 17,610,620.40 × 7,602,319.84
  4. Step 4: Simplify right side
    12,761,630.56x = 133,881,568,861,628.72
  5. Step 5: Solve for x
    x = 133,881,568,861,628.72/12,761,630.56
  6. Step 6: Final answer
    x = 10,490,945.36

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1.5x scale

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.