Home / 25,122,746.80-37,684,120.20-12,340,606.60

Finding the Fourth Proportional to 25,122,746.80, 37,684,120.20 and 12,340,606.60

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Solution

The fourth proportional to 25,122,746.80, 37,684,120.20 and 12,340,606.60 is: 18,510,909.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,122,746.80 : 37,684,120.20 = 12,340,606.60 : x
  2. Step 2: Convert to fraction form
    25,122,746.80/37,684,120.20 = 12,340,606.60/x
  3. Step 3: Cross multiply
    25,122,746.80x = 37,684,120.20 × 12,340,606.60
  4. Step 4: Simplify right side
    25,122,746.80x = 465,044,902,455,313.31
  5. Step 5: Solve for x
    x = 465,044,902,455,313.31/25,122,746.80
  6. Step 6: Final answer
    x = 18,510,909.90

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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.