Home / 37,215,381.72-51,349,699.44-21,742,478.22

Finding the Fourth Proportional to 37,215,381.72, 51,349,699.44 and 21,742,478.22

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Solution

The fourth proportional to 37,215,381.72, 51,349,699.44 and 21,742,478.22 is: 30,000,222.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,215,381.72 : 51,349,699.44 = 21,742,478.22 : x
  2. Step 2: Convert to fraction form
    37,215,381.72/51,349,699.44 = 21,742,478.22/x
  3. Step 3: Cross multiply
    37,215,381.72x = 51,349,699.44 × 21,742,478.22
  4. Step 4: Simplify right side
    37,215,381.72x = 1,116,469,721,677,746.12
  5. Step 5: Solve for x
    x = 1,116,469,721,677,746.12/37,215,381.72
  6. Step 6: Final answer
    x = 30,000,222.22

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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.