Home / 19,156,737.40-28,749,102.90-13,488,033.40

Finding the Fourth Proportional to 19,156,737.40, 28,749,102.90 and 13,488,033.40

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Solution

The fourth proportional to 19,156,737.40, 28,749,102.90 and 13,488,033.40 is: 20,241,905.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,156,737.40 : 28,749,102.90 = 13,488,033.40 : x
  2. Step 2: Convert to fraction form
    19,156,737.40/28,749,102.90 = 13,488,033.40/x
  3. Step 3: Cross multiply
    19,156,737.40x = 28,749,102.90 × 13,488,033.40
  4. Step 4: Simplify right side
    19,156,737.40x = 387,768,860,135,236.88
  5. Step 5: Solve for x
    x = 387,768,860,135,236.88/19,156,737.40
  6. Step 6: Final answer
    x = 20,241,905.08

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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.