Home / 22,969,991.60-31,700,000.44-12,656,712

Finding the Fourth Proportional to 22,969,991.60, 31,700,000.44 and 12,656,712

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Solution

The fourth proportional to 22,969,991.60, 31,700,000.44 and 12,656,712 is: 17,467,040.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,969,991.60 : 31,700,000.44 = 12,656,712 : x
  2. Step 2: Convert to fraction form
    22,969,991.60/31,700,000.44 = 12,656,712/x
  3. Step 3: Cross multiply
    22,969,991.60x = 31,700,000.44 × 12,656,712
  4. Step 4: Simplify right side
    22,969,991.60x = 401,217,775,968,953.31
  5. Step 5: Solve for x
    x = 401,217,775,968,953.31/22,969,991.60
  6. Step 6: Final answer
    x = 17,467,040.60

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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.