Home / 21,567,225.20-32,308,847.40-11,965,420.40

Finding the Fourth Proportional to 21,567,225.20, 32,308,847.40 and 11,965,420.40

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Solution

The fourth proportional to 21,567,225.20, 32,308,847.40 and 11,965,420.40 is: 17,924,834.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,567,225.20 : 32,308,847.40 = 11,965,420.40 : x
  2. Step 2: Convert to fraction form
    21,567,225.20/32,308,847.40 = 11,965,420.40/x
  3. Step 3: Cross multiply
    21,567,225.20x = 32,308,847.40 × 11,965,420.40
  4. Step 4: Simplify right side
    21,567,225.20x = 386,588,941,780,446.94
  5. Step 5: Solve for x
    x = 386,588,941,780,446.94/21,567,225.20
  6. Step 6: Final answer
    x = 17,924,834.47

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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.