Home / 14,638,515.30-21,931,200.90-11,928,166.20

Finding the Fourth Proportional to 14,638,515.30, 21,931,200.90 and 11,928,166.20

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Solution

The fourth proportional to 14,638,515.30, 21,931,200.90 and 11,928,166.20 is: 17,870,597.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,638,515.30 : 21,931,200.90 = 11,928,166.20 : x
  2. Step 2: Convert to fraction form
    14,638,515.30/21,931,200.90 = 11,928,166.20/x
  3. Step 3: Cross multiply
    14,638,515.30x = 21,931,200.90 × 11,928,166.20
  4. Step 4: Simplify right side
    14,638,515.30x = 261,599,009,300,789.53
  5. Step 5: Solve for x
    x = 261,599,009,300,789.53/14,638,515.30
  6. Step 6: Final answer
    x = 17,870,597.12

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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.