Home / 12,875,729.22-19,316,583.54-3,777,459.30

Finding the Fourth Proportional to 12,875,729.22, 19,316,583.54 and 3,777,459.30

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Solution

The fourth proportional to 12,875,729.22, 19,316,583.54 and 3,777,459.30 is: 5,667,066.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,875,729.22 : 19,316,583.54 = 3,777,459.30 : x
  2. Step 2: Convert to fraction form
    12,875,729.22/19,316,583.54 = 3,777,459.30/x
  3. Step 3: Cross multiply
    12,875,729.22x = 19,316,583.54 × 3,777,459.30
  4. Step 4: Simplify right side
    12,875,729.22x = 72,967,608,137,399.92
  5. Step 5: Solve for x
    x = 72,967,608,137,399.92/12,875,729.22
  6. Step 6: Final answer
    x = 5,667,066.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.