Home / 13,625,439.17-20,421,329.04-11,692,765.40

Finding the Fourth Proportional to 13,625,439.17, 20,421,329.04 and 11,692,765.40

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Solution

The fourth proportional to 13,625,439.17, 20,421,329.04 and 11,692,765.40 is: 17,524,705.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,625,439.17 : 20,421,329.04 = 11,692,765.40 : x
  2. Step 2: Convert to fraction form
    13,625,439.17/20,421,329.04 = 11,692,765.40/x
  3. Step 3: Cross multiply
    13,625,439.17x = 20,421,329.04 × 11,692,765.40
  4. Step 4: Simplify right side
    13,625,439.17x = 238,781,809,518,820.56
  5. Step 5: Solve for x
    x = 238,781,809,518,820.56/13,625,439.17
  6. Step 6: Final answer
    x = 17,524,705.56

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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.