Home / 8,513,679-12,759,429-3,459,080.28

Finding the Fourth Proportional to 8,513,679, 12,759,429 and 3,459,080.28

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Solution

The fourth proportional to 8,513,679, 12,759,429 and 3,459,080.28 is: 5,184,114.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,513,679 : 12,759,429 = 3,459,080.28 : x
  2. Step 2: Convert to fraction form
    8,513,679/12,759,429 = 3,459,080.28/x
  3. Step 3: Cross multiply
    8,513,679x = 12,759,429 × 3,459,080.28
  4. Step 4: Simplify right side
    8,513,679x = 44,135,889,237,960.12
  5. Step 5: Solve for x
    x = 44,135,889,237,960.12/8,513,679
  6. Step 6: Final answer
    x = 5,184,114.79

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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.