Home / 28,416,169.60-42,575,265.60-13,238,972.80

Finding the Fourth Proportional to 28,416,169.60, 42,575,265.60 and 13,238,972.80

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Solution

The fourth proportional to 28,416,169.60, 42,575,265.60 and 13,238,972.80 is: 19,835,635.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,416,169.60 : 42,575,265.60 = 13,238,972.80 : x
  2. Step 2: Convert to fraction form
    28,416,169.60/42,575,265.60 = 13,238,972.80/x
  3. Step 3: Cross multiply
    28,416,169.60x = 42,575,265.60 × 13,238,972.80
  4. Step 4: Simplify right side
    28,416,169.60x = 563,652,783,231,175.75
  5. Step 5: Solve for x
    x = 563,652,783,231,175.75/28,416,169.60
  6. Step 6: Final answer
    x = 19,835,635.53

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1.5x scale

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.