Home / 22,722,310.74-31,357,038.06-12,409,337.28

Finding the Fourth Proportional to 22,722,310.74, 31,357,038.06 and 12,409,337.28

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Solution

The fourth proportional to 22,722,310.74, 31,357,038.06 and 12,409,337.28 is: 17,125,021.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,722,310.74 : 31,357,038.06 = 12,409,337.28 : x
  2. Step 2: Convert to fraction form
    22,722,310.74/31,357,038.06 = 12,409,337.28/x
  3. Step 3: Cross multiply
    22,722,310.74x = 31,357,038.06 × 12,409,337.28
  4. Step 4: Simplify right side
    22,722,310.74x = 389,120,061,388,336.81
  5. Step 5: Solve for x
    x = 389,120,061,388,336.81/22,722,310.74
  6. Step 6: Final answer
    x = 17,125,021.56

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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.