Home / 12,840,298.20-19,248,389.64-4,314,672.36

Finding the Fourth Proportional to 12,840,298.20, 19,248,389.64 and 4,314,672.36

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Solution

The fourth proportional to 12,840,298.20, 19,248,389.64 and 4,314,672.36 is: 6,467,956.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,840,298.20 : 19,248,389.64 = 4,314,672.36 : x
  2. Step 2: Convert to fraction form
    12,840,298.20/19,248,389.64 = 4,314,672.36/x
  3. Step 3: Cross multiply
    12,840,298.20x = 19,248,389.64 × 4,314,672.36
  4. Step 4: Simplify right side
    12,840,298.20x = 83,050,494,754,218.36
  5. Step 5: Solve for x
    x = 83,050,494,754,218.36/12,840,298.20
  6. Step 6: Final answer
    x = 6,467,956.85

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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.