Home / 20,030,002.80-30,045,004.20-13,971,575.40

Finding the Fourth Proportional to 20,030,002.80, 30,045,004.20 and 13,971,575.40

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Solution

The fourth proportional to 20,030,002.80, 30,045,004.20 and 13,971,575.40 is: 20,957,363.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,030,002.80 : 30,045,004.20 = 13,971,575.40 : x
  2. Step 2: Convert to fraction form
    20,030,002.80/30,045,004.20 = 13,971,575.40/x
  3. Step 3: Cross multiply
    20,030,002.80x = 30,045,004.20 × 13,971,575.40
  4. Step 4: Simplify right side
    20,030,002.80x = 419,776,041,573,616.69
  5. Step 5: Solve for x
    x = 419,776,041,573,616.69/20,030,002.80
  6. Step 6: Final answer
    x = 20,957,363.10

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1.5x scale

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.