Home / 19,959,479.40-29,939,219.10-17,940,003.60

Finding the Fourth Proportional to 19,959,479.40, 29,939,219.10 and 17,940,003.60

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Solution

The fourth proportional to 19,959,479.40, 29,939,219.10 and 17,940,003.60 is: 26,910,005.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,959,479.40 : 29,939,219.10 = 17,940,003.60 : x
  2. Step 2: Convert to fraction form
    19,959,479.40/29,939,219.10 = 17,940,003.60/x
  3. Step 3: Cross multiply
    19,959,479.40x = 29,939,219.10 × 17,940,003.60
  4. Step 4: Simplify right side
    19,959,479.40x = 537,109,698,435,188.81
  5. Step 5: Solve for x
    x = 537,109,698,435,188.81/19,959,479.40
  6. Step 6: Final answer
    x = 26,910,005.40

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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.