Home / 18,716,339.60-28,018,522.20-17,609,037.20

Finding the Fourth Proportional to 18,716,339.60, 28,018,522.20 and 17,609,037.20

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Solution

The fourth proportional to 18,716,339.60, 28,018,522.20 and 17,609,037.20 is: 26,360,880.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,716,339.60 : 28,018,522.20 = 17,609,037.20 : x
  2. Step 2: Convert to fraction form
    18,716,339.60/28,018,522.20 = 17,609,037.20/x
  3. Step 3: Cross multiply
    18,716,339.60x = 28,018,522.20 × 17,609,037.20
  4. Step 4: Simplify right side
    18,716,339.60x = 493,379,199,708,825.81
  5. Step 5: Solve for x
    x = 493,379,199,708,825.81/18,716,339.60
  6. Step 6: Final answer
    x = 26,360,880.93

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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.