Home / 21,706,923.40-32,581,380.30-13,203,867.40

Finding the Fourth Proportional to 21,706,923.40, 32,581,380.30 and 13,203,867.40

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Solution

The fourth proportional to 21,706,923.40, 32,581,380.30 and 13,203,867.40 is: 19,818,572.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,706,923.40 : 32,581,380.30 = 13,203,867.40 : x
  2. Step 2: Convert to fraction form
    21,706,923.40/32,581,380.30 = 13,203,867.40/x
  3. Step 3: Cross multiply
    21,706,923.40x = 32,581,380.30 × 13,203,867.40
  4. Step 4: Simplify right side
    21,706,923.40x = 430,200,225,190,172.25
  5. Step 5: Solve for x
    x = 430,200,225,190,172.25/21,706,923.40
  6. Step 6: Final answer
    x = 19,818,572.04

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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.