Home / 26,355,679.20-39,555,637.20-12,904,005.60

Finding the Fourth Proportional to 26,355,679.20, 39,555,637.20 and 12,904,005.60

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Solution

The fourth proportional to 26,355,679.20, 39,555,637.20 and 12,904,005.60 is: 19,366,837.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,355,679.20 : 39,555,637.20 = 12,904,005.60 : x
  2. Step 2: Convert to fraction form
    26,355,679.20/39,555,637.20 = 12,904,005.60/x
  3. Step 3: Cross multiply
    26,355,679.20x = 39,555,637.20 × 12,904,005.60
  4. Step 4: Simplify right side
    26,355,679.20x = 510,426,163,940,368.31
  5. Step 5: Solve for x
    x = 510,426,163,940,368.31/26,355,679.20
  6. Step 6: Final answer
    x = 19,366,837.79

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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.