Home / 12,782,746.66-17,628,507.48-9,992,238.58

Finding the Fourth Proportional to 12,782,746.66, 17,628,507.48 and 9,992,238.58

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Solution

The fourth proportional to 12,782,746.66, 17,628,507.48 and 9,992,238.58 is: 13,780,156.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,782,746.66 : 17,628,507.48 = 9,992,238.58 : x
  2. Step 2: Convert to fraction form
    12,782,746.66/17,628,507.48 = 9,992,238.58/x
  3. Step 3: Cross multiply
    12,782,746.66x = 17,628,507.48 × 9,992,238.58
  4. Step 4: Simplify right side
    12,782,746.66x = 176,148,252,549,474.59
  5. Step 5: Solve for x
    x = 176,148,252,549,474.59/12,782,746.66
  6. Step 6: Final answer
    x = 13,780,156.74

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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.