Home / 12,219,216.35-16,862,529.71-6,712,947.92

Finding the Fourth Proportional to 12,219,216.35, 16,862,529.71 and 6,712,947.92

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Solution

The fourth proportional to 12,219,216.35, 16,862,529.71 and 6,712,947.92 is: 9,263,874.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,219,216.35 : 16,862,529.71 = 6,712,947.92 : x
  2. Step 2: Convert to fraction form
    12,219,216.35/16,862,529.71 = 6,712,947.92/x
  3. Step 3: Cross multiply
    12,219,216.35x = 16,862,529.71 × 6,712,947.92
  4. Step 4: Simplify right side
    12,219,216.35x = 113,197,283,742,682.70
  5. Step 5: Solve for x
    x = 113,197,283,742,682.70/12,219,216.35
  6. Step 6: Final answer
    x = 9,263,874.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.