Home / 20,913,710.76-28,863,627.21-11,746,353.24

Finding the Fourth Proportional to 20,913,710.76, 28,863,627.21 and 11,746,353.24

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Solution

The fourth proportional to 20,913,710.76, 28,863,627.21 and 11,746,353.24 is: 16,211,487.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,913,710.76 : 28,863,627.21 = 11,746,353.24 : x
  2. Step 2: Convert to fraction form
    20,913,710.76/28,863,627.21 = 11,746,353.24/x
  3. Step 3: Cross multiply
    20,913,710.76x = 28,863,627.21 × 11,746,353.24
  4. Step 4: Simplify right side
    20,913,710.76x = 339,042,360,996,335.69
  5. Step 5: Solve for x
    x = 339,042,360,996,335.69/20,913,710.76
  6. Step 6: Final answer
    x = 16,211,487.52

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.