Home / 12,328,466.77-17,009,163.65-7,170,733.45

Finding the Fourth Proportional to 12,328,466.77, 17,009,163.65 and 7,170,733.45

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Solution

The fourth proportional to 12,328,466.77, 17,009,163.65 and 7,170,733.45 is: 9,893,215.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,328,466.77 : 17,009,163.65 = 7,170,733.45 : x
  2. Step 2: Convert to fraction form
    12,328,466.77/17,009,163.65 = 7,170,733.45/x
  3. Step 3: Cross multiply
    12,328,466.77x = 17,009,163.65 × 7,170,733.45
  4. Step 4: Simplify right side
    12,328,466.77x = 121,968,178,741,579.08
  5. Step 5: Solve for x
    x = 121,968,178,741,579.08/12,328,466.77
  6. Step 6: Final answer
    x = 9,893,215.52

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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.