Home / 12,983,209-19,476,585.24-5,408,403.28

Finding the Fourth Proportional to 12,983,209, 19,476,585.24 and 5,408,403.28

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Solution

The fourth proportional to 12,983,209, 19,476,585.24 and 5,408,403.28 is: 8,113,342.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,983,209 : 19,476,585.24 = 5,408,403.28 : x
  2. Step 2: Convert to fraction form
    12,983,209/19,476,585.24 = 5,408,403.28/x
  3. Step 3: Cross multiply
    12,983,209x = 19,476,585.24 × 5,408,403.28
  4. Step 4: Simplify right side
    12,983,209x = 105,337,227,495,215.58
  5. Step 5: Solve for x
    x = 105,337,227,495,215.58/12,983,209
  6. Step 6: Final answer
    x = 8,113,342.97

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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.