Home / 12,339,478.64-17,028,362.16-7,110,565.76

Finding the Fourth Proportional to 12,339,478.64, 17,028,362.16 and 7,110,565.76

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Solution

The fourth proportional to 12,339,478.64, 17,028,362.16 and 7,110,565.76 is: 9,812,512.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,339,478.64 : 17,028,362.16 = 7,110,565.76 : x
  2. Step 2: Convert to fraction form
    12,339,478.64/17,028,362.16 = 7,110,565.76/x
  3. Step 3: Cross multiply
    12,339,478.64x = 17,028,362.16 × 7,110,565.76
  4. Step 4: Simplify right side
    12,339,478.64x = 121,081,288,923,775.64
  5. Step 5: Solve for x
    x = 121,081,288,923,775.64/12,339,478.64
  6. Step 6: Final answer
    x = 9,812,512.54

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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.