Home / 23,119,256.40-31,905,624.20-12,805,978.36

Finding the Fourth Proportional to 23,119,256.40, 31,905,624.20 and 12,805,978.36

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Solution

The fourth proportional to 23,119,256.40, 31,905,624.20 and 12,805,978.36 is: 17,672,831.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,119,256.40 : 31,905,624.20 = 12,805,978.36 : x
  2. Step 2: Convert to fraction form
    23,119,256.40/31,905,624.20 = 12,805,978.36/x
  3. Step 3: Cross multiply
    23,119,256.40x = 31,905,624.20 × 12,805,978.36
  4. Step 4: Simplify right side
    23,119,256.40x = 408,582,733,067,492.31
  5. Step 5: Solve for x
    x = 408,582,733,067,492.31/23,119,256.40
  6. Step 6: Final answer
    x = 17,672,831.95

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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.