Home / 23,148,840.70-31,942,463.98-12,692,105.34

Finding the Fourth Proportional to 23,148,840.70, 31,942,463.98 and 12,692,105.34

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Solution

The fourth proportional to 23,148,840.70, 31,942,463.98 and 12,692,105.34 is: 17,513,495.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,148,840.70 : 31,942,463.98 = 12,692,105.34 : x
  2. Step 2: Convert to fraction form
    23,148,840.70/31,942,463.98 = 12,692,105.34/x
  3. Step 3: Cross multiply
    23,148,840.70x = 31,942,463.98 × 12,692,105.34
  4. Step 4: Simplify right side
    23,148,840.70x = 405,417,117,653,315.62
  5. Step 5: Solve for x
    x = 405,417,117,653,315.62/23,148,840.70
  6. Step 6: Final answer
    x = 17,513,495.51

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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.