Home / 30,078,332.64-45,112,165.72-13,679,776.04

Finding the Fourth Proportional to 30,078,332.64, 45,112,165.72 and 13,679,776.04

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Solution

The fourth proportional to 30,078,332.64, 45,112,165.72 and 13,679,776.04 is: 20,517,238.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,078,332.64 : 45,112,165.72 = 13,679,776.04 : x
  2. Step 2: Convert to fraction form
    30,078,332.64/45,112,165.72 = 13,679,776.04/x
  3. Step 3: Cross multiply
    30,078,332.64x = 45,112,165.72 × 13,679,776.04
  4. Step 4: Simplify right side
    30,078,332.64x = 617,124,323,469,205.12
  5. Step 5: Solve for x
    x = 617,124,323,469,205.12/30,078,332.64
  6. Step 6: Final answer
    x = 20,517,238.47

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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.