Home / 8,238,747.64-12,356,432.19-3,119,411.35

Finding the Fourth Proportional to 8,238,747.64, 12,356,432.19 and 3,119,411.35

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Solution

The fourth proportional to 8,238,747.64, 12,356,432.19 and 3,119,411.35 is: 4,678,477.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,238,747.64 : 12,356,432.19 = 3,119,411.35 : x
  2. Step 2: Convert to fraction form
    8,238,747.64/12,356,432.19 = 3,119,411.35/x
  3. Step 3: Cross multiply
    8,238,747.64x = 12,356,432.19 × 3,119,411.35
  4. Step 4: Simplify right side
    8,238,747.64x = 38,544,794,818,991.36
  5. Step 5: Solve for x
    x = 38,544,794,818,991.36/8,238,747.64
  6. Step 6: Final answer
    x = 4,678,477.42

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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.