Home / 30,347,013.35-45,508,538.00-12,147,816.31

Finding the Fourth Proportional to 30,347,013.35, 45,508,538.00 and 12,147,816.31

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Solution

The fourth proportional to 30,347,013.35, 45,508,538.00 and 12,147,816.31 is: 18,216,928.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,347,013.35 : 45,508,538.00 = 12,147,816.31 : x
  2. Step 2: Convert to fraction form
    30,347,013.35/45,508,538.00 = 12,147,816.31/x
  3. Step 3: Cross multiply
    30,347,013.35x = 45,508,538.00 × 12,147,816.31
  4. Step 4: Simplify right side
    30,347,013.35x = 552,829,360,077,252.94
  5. Step 5: Solve for x
    x = 552,829,360,077,252.94/30,347,013.35
  6. Step 6: Final answer
    x = 18,216,928.09

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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.