Home / 14,658,519.13-20,220,351.97-9,142,317.21

Finding the Fourth Proportional to 14,658,519.13, 20,220,351.97 and 9,142,317.21

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Solution

The fourth proportional to 14,658,519.13, 20,220,351.97 and 9,142,317.21 is: 12,611,156.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,658,519.13 : 20,220,351.97 = 9,142,317.21 : x
  2. Step 2: Convert to fraction form
    14,658,519.13/20,220,351.97 = 9,142,317.21/x
  3. Step 3: Cross multiply
    14,658,519.13x = 20,220,351.97 × 9,142,317.21
  4. Step 4: Simplify right side
    14,658,519.13x = 184,860,871,807,588.41
  5. Step 5: Solve for x
    x = 184,860,871,807,588.41/14,658,519.13
  6. Step 6: Final answer
    x = 12,611,156.02

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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.