Home / 20,487,973.60-30,733,515.60-6,109,919.20

Finding the Fourth Proportional to 20,487,973.60, 30,733,515.60 and 6,109,919.20

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Solution

The fourth proportional to 20,487,973.60, 30,733,515.60 and 6,109,919.20 is: 9,165,342.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,487,973.60 : 30,733,515.60 = 6,109,919.20 : x
  2. Step 2: Convert to fraction form
    20,487,973.60/30,733,515.60 = 6,109,919.20/x
  3. Step 3: Cross multiply
    20,487,973.60x = 30,733,515.60 × 6,109,919.20
  4. Step 4: Simplify right side
    20,487,973.60x = 187,779,297,047,939.53
  5. Step 5: Solve for x
    x = 187,779,297,047,939.53/20,487,973.60
  6. Step 6: Final answer
    x = 9,165,342.59

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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.