Home / 8,590,698.45-12,885,756.08-2,201,013.45

Finding the Fourth Proportional to 8,590,698.45, 12,885,756.08 and 2,201,013.45

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Solution

The fourth proportional to 8,590,698.45, 12,885,756.08 and 2,201,013.45 is: 3,301,445.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,590,698.45 : 12,885,756.08 = 2,201,013.45 : x
  2. Step 2: Convert to fraction form
    8,590,698.45/12,885,756.08 = 2,201,013.45/x
  3. Step 3: Cross multiply
    8,590,698.45x = 12,885,756.08 × 2,201,013.45
  4. Step 4: Simplify right side
    8,590,698.45x = 28,361,722,434,494.21
  5. Step 5: Solve for x
    x = 28,361,722,434,494.21/8,590,698.45
  6. Step 6: Final answer
    x = 3,301,445.46

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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.