Home / 19,155,706.05-28,708,607.85-7,782,858.93

Finding the Fourth Proportional to 19,155,706.05, 28,708,607.85 and 7,782,858.93

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Solution

The fourth proportional to 19,155,706.05, 28,708,607.85 and 7,782,858.93 is: 11,664,150.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,155,706.05 : 28,708,607.85 = 7,782,858.93 : x
  2. Step 2: Convert to fraction form
    19,155,706.05/28,708,607.85 = 7,782,858.93/x
  3. Step 3: Cross multiply
    19,155,706.05x = 28,708,607.85 × 7,782,858.93
  4. Step 4: Simplify right side
    19,155,706.05x = 223,435,044,973,240.59
  5. Step 5: Solve for x
    x = 223,435,044,973,240.59/19,155,706.05
  6. Step 6: Final answer
    x = 11,664,150.85

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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.