Home / 18,639,289.02-25,700,209.34-12,761,773.32

Finding the Fourth Proportional to 18,639,289.02, 25,700,209.34 and 12,761,773.32

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Solution

The fourth proportional to 18,639,289.02, 25,700,209.34 and 12,761,773.32 is: 17,596,177.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,639,289.02 : 25,700,209.34 = 12,761,773.32 : x
  2. Step 2: Convert to fraction form
    18,639,289.02/25,700,209.34 = 12,761,773.32/x
  3. Step 3: Cross multiply
    18,639,289.02x = 25,700,209.34 × 12,761,773.32
  4. Step 4: Simplify right side
    18,639,289.02x = 327,980,245,873,626.81
  5. Step 5: Solve for x
    x = 327,980,245,873,626.81/18,639,289.02
  6. Step 6: Final answer
    x = 17,596,177.92

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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.