Home / 12,909,183.04-17,814,714.72-7,028,886.76

Finding the Fourth Proportional to 12,909,183.04, 17,814,714.72 and 7,028,886.76

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Solution

The fourth proportional to 12,909,183.04, 17,814,714.72 and 7,028,886.76 is: 9,699,886.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,909,183.04 : 17,814,714.72 = 7,028,886.76 : x
  2. Step 2: Convert to fraction form
    12,909,183.04/17,814,714.72 = 7,028,886.76/x
  3. Step 3: Cross multiply
    12,909,183.04x = 17,814,714.72 × 7,028,886.76
  4. Step 4: Simplify right side
    12,909,183.04x = 125,217,612,428,585.09
  5. Step 5: Solve for x
    x = 125,217,612,428,585.09/12,909,183.04
  6. Step 6: Final answer
    x = 9,699,886.67

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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.