Home / 20,523,318.40-30,859,627.20-20,075,420.80

Finding the Fourth Proportional to 20,523,318.40, 30,859,627.20 and 20,075,420.80

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Solution

The fourth proportional to 20,523,318.40, 30,859,627.20 and 20,075,420.80 is: 30,186,151.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,523,318.40 : 30,859,627.20 = 20,075,420.80 : x
  2. Step 2: Convert to fraction form
    20,523,318.40/30,859,627.20 = 20,075,420.80/x
  3. Step 3: Cross multiply
    20,523,318.40x = 30,859,627.20 × 20,075,420.80
  4. Step 4: Simplify right side
    20,523,318.40x = 619,520,001,771,125.75
  5. Step 5: Solve for x
    x = 619,520,001,771,125.75/20,523,318.40
  6. Step 6: Final answer
    x = 30,186,151.66

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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.