Home / 19,783,352.20-29,675,028.30-12,225,080.20

Finding the Fourth Proportional to 19,783,352.20, 29,675,028.30 and 12,225,080.20

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Solution

The fourth proportional to 19,783,352.20, 29,675,028.30 and 12,225,080.20 is: 18,337,620.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,783,352.20 : 29,675,028.30 = 12,225,080.20 : x
  2. Step 2: Convert to fraction form
    19,783,352.20/29,675,028.30 = 12,225,080.20/x
  3. Step 3: Cross multiply
    19,783,352.20x = 29,675,028.30 × 12,225,080.20
  4. Step 4: Simplify right side
    19,783,352.20x = 362,779,600,904,769.62
  5. Step 5: Solve for x
    x = 362,779,600,904,769.62/19,783,352.20
  6. Step 6: Final answer
    x = 18,337,620.30

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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.