Home / 21,839,338.08-30,139,198.08-12,050,417.28

Finding the Fourth Proportional to 21,839,338.08, 30,139,198.08 and 12,050,417.28

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Solution

The fourth proportional to 21,839,338.08, 30,139,198.08 and 12,050,417.28 is: 16,630,078.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,839,338.08 : 30,139,198.08 = 12,050,417.28 : x
  2. Step 2: Convert to fraction form
    21,839,338.08/30,139,198.08 = 12,050,417.28/x
  3. Step 3: Cross multiply
    21,839,338.08x = 30,139,198.08 × 12,050,417.28
  4. Step 4: Simplify right side
    21,839,338.08x = 363,189,913,348,574.75
  5. Step 5: Solve for x
    x = 363,189,913,348,574.75/21,839,338.08
  6. Step 6: Final answer
    x = 16,630,078.81

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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.