Home / 12,882,403.32-19,326,768.84-6,408,533.40

Finding the Fourth Proportional to 12,882,403.32, 19,326,768.84 and 6,408,533.40

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Solution

The fourth proportional to 12,882,403.32, 19,326,768.84 and 6,408,533.40 is: 9,614,374.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,882,403.32 : 19,326,768.84 = 6,408,533.40 : x
  2. Step 2: Convert to fraction form
    12,882,403.32/19,326,768.84 = 6,408,533.40/x
  3. Step 3: Cross multiply
    12,882,403.32x = 19,326,768.84 × 6,408,533.40
  4. Step 4: Simplify right side
    12,882,403.32x = 123,856,243,625,219.27
  5. Step 5: Solve for x
    x = 123,856,243,625,219.27/12,882,403.32
  6. Step 6: Final answer
    x = 9,614,374.01

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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.