Home / 20,406,074.40-30,642,289.20-14,765,882.40

Finding the Fourth Proportional to 20,406,074.40, 30,642,289.20 and 14,765,882.40

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Solution

The fourth proportional to 20,406,074.40, 30,642,289.20 and 14,765,882.40 is: 22,172,830.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,406,074.40 : 30,642,289.20 = 14,765,882.40 : x
  2. Step 2: Convert to fraction form
    20,406,074.40/30,642,289.20 = 14,765,882.40/x
  3. Step 3: Cross multiply
    20,406,074.40x = 30,642,289.20 × 14,765,882.40
  4. Step 4: Simplify right side
    20,406,074.40x = 452,460,438,793,990.06
  5. Step 5: Solve for x
    x = 452,460,438,793,990.06/20,406,074.40
  6. Step 6: Final answer
    x = 22,172,830.99

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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.