Home / 20,219,430.30-30,329,145.45-5,842,967.10

Finding the Fourth Proportional to 20,219,430.30, 30,329,145.45 and 5,842,967.10

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Solution

The fourth proportional to 20,219,430.30, 30,329,145.45 and 5,842,967.10 is: 8,764,450.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,219,430.30 : 30,329,145.45 = 5,842,967.10 : x
  2. Step 2: Convert to fraction form
    20,219,430.30/30,329,145.45 = 5,842,967.10/x
  3. Step 3: Cross multiply
    20,219,430.30x = 30,329,145.45 × 5,842,967.10
  4. Step 4: Simplify right side
    20,219,430.30x = 177,212,199,035,464.69
  5. Step 5: Solve for x
    x = 177,212,199,035,464.69/20,219,430.30
  6. Step 6: Final answer
    x = 8,764,450.65

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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.