Home / 14,716,206.90-20,309,319.95-8,189,816.58

Finding the Fourth Proportional to 14,716,206.90, 20,309,319.95 and 8,189,816.58

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Solution

The fourth proportional to 14,716,206.90, 20,309,319.95 and 8,189,816.58 is: 11,302,478.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,716,206.90 : 20,309,319.95 = 8,189,816.58 : x
  2. Step 2: Convert to fraction form
    14,716,206.90/20,309,319.95 = 8,189,816.58/x
  3. Step 3: Cross multiply
    14,716,206.90x = 20,309,319.95 × 8,189,816.58
  4. Step 4: Simplify right side
    14,716,206.90x = 166,329,605,214,085.69
  5. Step 5: Solve for x
    x = 166,329,605,214,085.69/14,716,206.90
  6. Step 6: Final answer
    x = 11,302,478.03

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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.