Home / 12,774,867.21-17,626,958.10-7,267,920.57

Finding the Fourth Proportional to 12,774,867.21, 17,626,958.10 and 7,267,920.57

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Solution

The fourth proportional to 12,774,867.21, 17,626,958.10 and 7,267,920.57 is: 10,028,388.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,774,867.21 : 17,626,958.10 = 7,267,920.57 : x
  2. Step 2: Convert to fraction form
    12,774,867.21/17,626,958.10 = 7,267,920.57/x
  3. Step 3: Cross multiply
    12,774,867.21x = 17,626,958.10 × 7,267,920.57
  4. Step 4: Simplify right side
    12,774,867.21x = 128,111,331,361,518.14
  5. Step 5: Solve for x
    x = 128,111,331,361,518.14/12,774,867.21
  6. Step 6: Final answer
    x = 10,028,388.50

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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.