Home / 9,761,930.64-13,472,112.74-5,411,200.32

Finding the Fourth Proportional to 9,761,930.64, 13,472,112.74 and 5,411,200.32

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Solution

The fourth proportional to 9,761,930.64, 13,472,112.74 and 5,411,200.32 is: 7,467,815.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,761,930.64 : 13,472,112.74 = 5,411,200.32 : x
  2. Step 2: Convert to fraction form
    9,761,930.64/13,472,112.74 = 5,411,200.32/x
  3. Step 3: Cross multiply
    9,761,930.64x = 13,472,112.74 × 5,411,200.32
  4. Step 4: Simplify right side
    9,761,930.64x = 72,900,300,742,708.08
  5. Step 5: Solve for x
    x = 72,900,300,742,708.08/9,761,930.64
  6. Step 6: Final answer
    x = 7,467,815.89

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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.