Home / 20,831,594.52-31,232,250.45-8,704,528.86

Finding the Fourth Proportional to 20,831,594.52, 31,232,250.45 and 8,704,528.86

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Solution

The fourth proportional to 20,831,594.52, 31,232,250.45 and 8,704,528.86 is: 13,050,466.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,831,594.52 : 31,232,250.45 = 8,704,528.86 : x
  2. Step 2: Convert to fraction form
    20,831,594.52/31,232,250.45 = 8,704,528.86/x
  3. Step 3: Cross multiply
    20,831,594.52x = 31,232,250.45 × 8,704,528.86
  4. Step 4: Simplify right side
    20,831,594.52x = 271,862,025,404,772.97
  5. Step 5: Solve for x
    x = 271,862,025,404,772.97/20,831,594.52
  6. Step 6: Final answer
    x = 13,050,466.45

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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.