Home / 21,581,257.60-32,367,739.20-6,435,683.20

Finding the Fourth Proportional to 21,581,257.60, 32,367,739.20 and 6,435,683.20

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Solution

The fourth proportional to 21,581,257.60, 32,367,739.20 and 6,435,683.20 is: 9,652,288.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,581,257.60 : 32,367,739.20 = 6,435,683.20 : x
  2. Step 2: Convert to fraction form
    21,581,257.60/32,367,739.20 = 6,435,683.20/x
  3. Step 3: Cross multiply
    21,581,257.60x = 32,367,739.20 × 6,435,683.20
  4. Step 4: Simplify right side
    21,581,257.60x = 208,308,515,391,421.44
  5. Step 5: Solve for x
    x = 208,308,515,391,421.44/21,581,257.60
  6. Step 6: Final answer
    x = 9,652,288.08

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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.