Home / 19,422,038.70-29,133,058.05-6,642,960.30

Finding the Fourth Proportional to 19,422,038.70, 29,133,058.05 and 6,642,960.30

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Solution

The fourth proportional to 19,422,038.70, 29,133,058.05 and 6,642,960.30 is: 9,964,440.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,422,038.70 : 29,133,058.05 = 6,642,960.30 : x
  2. Step 2: Convert to fraction form
    19,422,038.70/29,133,058.05 = 6,642,960.30/x
  3. Step 3: Cross multiply
    19,422,038.70x = 29,133,058.05 × 6,642,960.30
  4. Step 4: Simplify right side
    19,422,038.70x = 193,529,748,043,745.41
  5. Step 5: Solve for x
    x = 193,529,748,043,745.41/19,422,038.70
  6. Step 6: Final answer
    x = 9,964,440.45

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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.