Home / 31,409,541.20-47,117,422.20-10,936,110.80

Finding the Fourth Proportional to 31,409,541.20, 47,117,422.20 and 10,936,110.80

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Solution

The fourth proportional to 31,409,541.20, 47,117,422.20 and 10,936,110.80 is: 16,405,249.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,409,541.20 : 47,117,422.20 = 10,936,110.80 : x
  2. Step 2: Convert to fraction form
    31,409,541.20/47,117,422.20 = 10,936,110.80/x
  3. Step 3: Cross multiply
    31,409,541.20x = 47,117,422.20 × 10,936,110.80
  4. Step 4: Simplify right side
    31,409,541.20x = 515,281,349,789,579.81
  5. Step 5: Solve for x
    x = 515,281,349,789,579.81/31,409,541.20
  6. Step 6: Final answer
    x = 16,405,249.17

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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.