Home / 22,486,215.98-31,030,987.74-12,172,938.50

Finding the Fourth Proportional to 22,486,215.98, 31,030,987.74 and 12,172,938.50

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Solution

The fourth proportional to 22,486,215.98, 31,030,987.74 and 12,172,938.50 is: 16,798,660.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,486,215.98 : 31,030,987.74 = 12,172,938.50 : x
  2. Step 2: Convert to fraction form
    22,486,215.98/31,030,987.74 = 12,172,938.50/x
  3. Step 3: Cross multiply
    22,486,215.98x = 31,030,987.74 × 12,172,938.50
  4. Step 4: Simplify right side
    22,486,215.98x = 377,738,305,353,274
  5. Step 5: Solve for x
    x = 377,738,305,353,274/22,486,215.98
  6. Step 6: Final answer
    x = 16,798,660.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.