Home / 12,240,698.90-18,360,383.89-3,720,371.06

Finding the Fourth Proportional to 12,240,698.90, 18,360,383.89 and 3,720,371.06

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Solution

The fourth proportional to 12,240,698.90, 18,360,383.89 and 3,720,371.06 is: 5,580,354.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,240,698.90 : 18,360,383.89 = 3,720,371.06 : x
  2. Step 2: Convert to fraction form
    12,240,698.90/18,360,383.89 = 3,720,371.06/x
  3. Step 3: Cross multiply
    12,240,698.90x = 18,360,383.89 × 3,720,371.06
  4. Step 4: Simplify right side
    12,240,698.90x = 68,307,440,911,446.25
  5. Step 5: Solve for x
    x = 68,307,440,911,446.25/12,240,698.90
  6. Step 6: Final answer
    x = 5,580,354.64

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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.