Home / 19,155,704.28-28,708,605.17-7,782,857.16

Finding the Fourth Proportional to 19,155,704.28, 28,708,605.17 and 7,782,857.16

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Solution

The fourth proportional to 19,155,704.28, 28,708,605.17 and 7,782,857.16 is: 11,664,148.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,155,704.28 : 28,708,605.17 = 7,782,857.16 : x
  2. Step 2: Convert to fraction form
    19,155,704.28/28,708,605.17 = 7,782,857.16/x
  3. Step 3: Cross multiply
    19,155,704.28x = 28,708,605.17 × 7,782,857.16
  4. Step 4: Simplify right side
    19,155,704.28x = 223,434,973,227,348.03
  5. Step 5: Solve for x
    x = 223,434,973,227,348.03/19,155,704.28
  6. Step 6: Final answer
    x = 11,664,148.18

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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.