Home / 20,500,601.34-28,291,420.36-11,333,834.58

Finding the Fourth Proportional to 20,500,601.34, 28,291,420.36 and 11,333,834.58

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Solution

The fourth proportional to 20,500,601.34, 28,291,420.36 and 11,333,834.58 is: 15,641,018.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,500,601.34 : 28,291,420.36 = 11,333,834.58 : x
  2. Step 2: Convert to fraction form
    20,500,601.34/28,291,420.36 = 11,333,834.58/x
  3. Step 3: Cross multiply
    20,500,601.34x = 28,291,420.36 × 11,333,834.58
  4. Step 4: Simplify right side
    20,500,601.34x = 320,650,278,513,744.12
  5. Step 5: Solve for x
    x = 320,650,278,513,744.12/20,500,601.34
  6. Step 6: Final answer
    x = 15,641,018.19

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1.5x scale

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.