Home / 21,304,156.80-31,971,981.60-14,113,300.80

Finding the Fourth Proportional to 21,304,156.80, 31,971,981.60 and 14,113,300.80

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Solution

The fourth proportional to 21,304,156.80, 31,971,981.60 and 14,113,300.80 is: 21,180,382.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,304,156.80 : 31,971,981.60 = 14,113,300.80 : x
  2. Step 2: Convert to fraction form
    21,304,156.80/31,971,981.60 = 14,113,300.80/x
  3. Step 3: Cross multiply
    21,304,156.80x = 31,971,981.60 × 14,113,300.80
  4. Step 4: Simplify right side
    21,304,156.80x = 451,230,193,492,865.31
  5. Step 5: Solve for x
    x = 451,230,193,492,865.31/21,304,156.80
  6. Step 6: Final answer
    x = 21,180,382.67

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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.