Home / 12,148,556-16,765,357.20-6,716,397.92

Finding the Fourth Proportional to 12,148,556, 16,765,357.20 and 6,716,397.92

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Solution

The fourth proportional to 12,148,556, 16,765,357.20 and 6,716,397.92 is: 9,268,822.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,148,556 : 16,765,357.20 = 6,716,397.92 : x
  2. Step 2: Convert to fraction form
    12,148,556/16,765,357.20 = 6,716,397.92/x
  3. Step 3: Cross multiply
    12,148,556x = 16,765,357.20 × 6,716,397.92
  4. Step 4: Simplify right side
    12,148,556x = 112,602,810,226,137.02
  5. Step 5: Solve for x
    x = 112,602,810,226,137.02/12,148,556
  6. Step 6: Final answer
    x = 9,268,822.58

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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.