Home / 18,569,980.60-27,854,970.90-11,767,535.80

Finding the Fourth Proportional to 18,569,980.60, 27,854,970.90 and 11,767,535.80

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Solution

The fourth proportional to 18,569,980.60, 27,854,970.90 and 11,767,535.80 is: 17,651,303.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,569,980.60 : 27,854,970.90 = 11,767,535.80 : x
  2. Step 2: Convert to fraction form
    18,569,980.60/27,854,970.90 = 11,767,535.80/x
  3. Step 3: Cross multiply
    18,569,980.60x = 27,854,970.90 × 11,767,535.80
  4. Step 4: Simplify right side
    18,569,980.60x = 327,784,367,273,708.25
  5. Step 5: Solve for x
    x = 327,784,367,273,708.25/18,569,980.60
  6. Step 6: Final answer
    x = 17,651,303.70

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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.