Home / 15,111,102.56-22,664,439.41-7,432,686.35

Finding the Fourth Proportional to 15,111,102.56, 22,664,439.41 and 7,432,686.35

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Solution

The fourth proportional to 15,111,102.56, 22,664,439.41 and 7,432,686.35 is: 11,147,940.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,111,102.56 : 22,664,439.41 = 7,432,686.35 : x
  2. Step 2: Convert to fraction form
    15,111,102.56/22,664,439.41 = 7,432,686.35/x
  3. Step 3: Cross multiply
    15,111,102.56x = 22,664,439.41 × 7,432,686.35
  4. Step 4: Simplify right side
    15,111,102.56x = 168,457,669,433,109.03
  5. Step 5: Solve for x
    x = 168,457,669,433,109.03/15,111,102.56
  6. Step 6: Final answer
    x = 11,147,940.32

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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.