Home / 31,453,931.16-43,405,028.82-17,516,005.20

Finding the Fourth Proportional to 31,453,931.16, 43,405,028.82 and 17,516,005.20

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Solution

The fourth proportional to 31,453,931.16, 43,405,028.82 and 17,516,005.20 is: 24,171,309.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,453,931.16 : 43,405,028.82 = 17,516,005.20 : x
  2. Step 2: Convert to fraction form
    31,453,931.16/43,405,028.82 = 17,516,005.20/x
  3. Step 3: Cross multiply
    31,453,931.16x = 43,405,028.82 × 17,516,005.20
  4. Step 4: Simplify right side
    31,453,931.16x = 760,282,710,517,269.88
  5. Step 5: Solve for x
    x = 760,282,710,517,269.88/31,453,931.16
  6. Step 6: Final answer
    x = 24,171,309.67

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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.