Home / 37,215,381.22-51,349,698.75-21,742,477.72

Finding the Fourth Proportional to 37,215,381.22, 51,349,698.75 and 21,742,477.72

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Solution

The fourth proportional to 37,215,381.22, 51,349,698.75 and 21,742,477.72 is: 30,000,221.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,215,381.22 : 51,349,698.75 = 21,742,477.72 : x
  2. Step 2: Convert to fraction form
    37,215,381.22/51,349,698.75 = 21,742,477.72/x
  3. Step 3: Cross multiply
    37,215,381.22x = 51,349,698.75 × 21,742,477.72
  4. Step 4: Simplify right side
    37,215,381.22x = 1,116,469,681,000,586.75
  5. Step 5: Solve for x
    x = 1,116,469,681,000,586.75/37,215,381.22
  6. Step 6: Final answer
    x = 30,000,221.53

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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.