Home / 18,953,774.32-28,430,638.44-6,174,258.16

Finding the Fourth Proportional to 18,953,774.32, 28,430,638.44 and 6,174,258.16

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Solution

The fourth proportional to 18,953,774.32, 28,430,638.44 and 6,174,258.16 is: 9,261,379.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,953,774.32 : 28,430,638.44 = 6,174,258.16 : x
  2. Step 2: Convert to fraction form
    18,953,774.32/28,430,638.44 = 6,174,258.16/x
  3. Step 3: Cross multiply
    18,953,774.32x = 28,430,638.44 × 6,174,258.16
  4. Step 4: Simplify right side
    18,953,774.32x = 175,538,101,382,179.69
  5. Step 5: Solve for x
    x = 175,538,101,382,179.69/18,953,774.32
  6. Step 6: Final answer
    x = 9,261,379.73

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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.