Home / 30,347,007.60-45,508,529.38-12,147,810.56

Finding the Fourth Proportional to 30,347,007.60, 45,508,529.38 and 12,147,810.56

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Solution

The fourth proportional to 30,347,007.60, 45,508,529.38 and 12,147,810.56 is: 18,216,919.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,347,007.60 : 45,508,529.38 = 12,147,810.56 : x
  2. Step 2: Convert to fraction form
    30,347,007.60/45,508,529.38 = 12,147,810.56/x
  3. Step 3: Cross multiply
    30,347,007.60x = 45,508,529.38 × 12,147,810.56
  4. Step 4: Simplify right side
    30,347,007.60x = 552,828,993,772,434.31
  5. Step 5: Solve for x
    x = 552,828,993,772,434.31/30,347,007.60
  6. Step 6: Final answer
    x = 18,216,919.48

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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.