Home / 20,462,308.86-28,237,981.95-11,294,949.18

Finding the Fourth Proportional to 20,462,308.86, 28,237,981.95 and 11,294,949.18

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Solution

The fourth proportional to 20,462,308.86, 28,237,981.95 and 11,294,949.18 is: 15,587,027.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,462,308.86 : 28,237,981.95 = 11,294,949.18 : x
  2. Step 2: Convert to fraction form
    20,462,308.86/28,237,981.95 = 11,294,949.18/x
  3. Step 3: Cross multiply
    20,462,308.86x = 28,237,981.95 × 11,294,949.18
  4. Step 4: Simplify right side
    20,462,308.86x = 318,946,571,071,007.31
  5. Step 5: Solve for x
    x = 318,946,571,071,007.31/20,462,308.86
  6. Step 6: Final answer
    x = 15,587,027.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.