Home / 26,820,128.60-40,230,192.90-9,781,357.40

Finding the Fourth Proportional to 26,820,128.60, 40,230,192.90 and 9,781,357.40

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Solution

The fourth proportional to 26,820,128.60, 40,230,192.90 and 9,781,357.40 is: 14,672,036.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,820,128.60 : 40,230,192.90 = 9,781,357.40 : x
  2. Step 2: Convert to fraction form
    26,820,128.60/40,230,192.90 = 9,781,357.40/x
  3. Step 3: Cross multiply
    26,820,128.60x = 40,230,192.90 × 9,781,357.40
  4. Step 4: Simplify right side
    26,820,128.60x = 393,505,895,025,842.44
  5. Step 5: Solve for x
    x = 393,505,895,025,842.44/26,820,128.60
  6. Step 6: Final answer
    x = 14,672,036.10

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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.