Home / 13,341,951.91-18,411,909.38-7,230,380.41

Finding the Fourth Proportional to 13,341,951.91, 18,411,909.38 and 7,230,380.41

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Solution

The fourth proportional to 13,341,951.91, 18,411,909.38 and 7,230,380.41 is: 9,977,933.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,341,951.91 : 18,411,909.38 = 7,230,380.41 : x
  2. Step 2: Convert to fraction form
    13,341,951.91/18,411,909.38 = 7,230,380.41/x
  3. Step 3: Cross multiply
    13,341,951.91x = 18,411,909.38 × 7,230,380.41
  4. Step 4: Simplify right side
    13,341,951.91x = 133,125,108,836,779.50
  5. Step 5: Solve for x
    x = 133,125,108,836,779.50/13,341,951.91
  6. Step 6: Final answer
    x = 9,977,933.50

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Why These Related Problems?

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