Home / 12,983,195.48-19,476,564.96-5,408,389.76

Finding the Fourth Proportional to 12,983,195.48, 19,476,564.96 and 5,408,389.76

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Solution

The fourth proportional to 12,983,195.48, 19,476,564.96 and 5,408,389.76 is: 8,113,322.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,983,195.48 : 19,476,564.96 = 5,408,389.76 : x
  2. Step 2: Convert to fraction form
    12,983,195.48/19,476,564.96 = 5,408,389.76/x
  3. Step 3: Cross multiply
    12,983,195.48x = 19,476,564.96 × 5,408,389.76
  4. Step 4: Simplify right side
    12,983,195.48x = 105,336,854,489,638.81
  5. Step 5: Solve for x
    x = 105,336,854,489,638.81/12,983,195.48
  6. Step 6: Final answer
    x = 8,113,322.69

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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.