Home / 21,740,012.42-30,001,589.87-11,950,869.20

Finding the Fourth Proportional to 21,740,012.42, 30,001,589.87 and 11,950,869.20

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Solution

The fourth proportional to 21,740,012.42, 30,001,589.87 and 11,950,869.20 is: 16,492,404.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,740,012.42 : 30,001,589.87 = 11,950,869.20 : x
  2. Step 2: Convert to fraction form
    21,740,012.42/30,001,589.87 = 11,950,869.20/x
  3. Step 3: Cross multiply
    21,740,012.42x = 30,001,589.87 × 11,950,869.20
  4. Step 4: Simplify right side
    21,740,012.42x = 358,545,076,118,652.69
  5. Step 5: Solve for x
    x = 358,545,076,118,652.69/21,740,012.42
  6. Step 6: Final answer
    x = 16,492,404.39

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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.