Home / 19,103,483.60-28,655,446.52-8,172,186.92

Finding the Fourth Proportional to 19,103,483.60, 28,655,446.52 and 8,172,186.92

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Solution

The fourth proportional to 19,103,483.60, 28,655,446.52 and 8,172,186.92 is: 12,258,374.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,103,483.60 : 28,655,446.52 = 8,172,186.92 : x
  2. Step 2: Convert to fraction form
    19,103,483.60/28,655,446.52 = 8,172,186.92/x
  3. Step 3: Cross multiply
    19,103,483.60x = 28,655,446.52 × 8,172,186.92
  4. Step 4: Simplify right side
    19,103,483.60x = 234,177,665,237,503.50
  5. Step 5: Solve for x
    x = 234,177,665,237,503.50/19,103,483.60
  6. Step 6: Final answer
    x = 12,258,374.97

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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.