Home / 12,667,420.60-17,481,077.84-6,866,225.40

Finding the Fourth Proportional to 12,667,420.60, 17,481,077.84 and 6,866,225.40

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Solution

The fourth proportional to 12,667,420.60, 17,481,077.84 and 6,866,225.40 is: 9,475,411.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,667,420.60 : 17,481,077.84 = 6,866,225.40 : x
  2. Step 2: Convert to fraction form
    12,667,420.60/17,481,077.84 = 6,866,225.40/x
  3. Step 3: Cross multiply
    12,667,420.60x = 17,481,077.84 × 6,866,225.40
  4. Step 4: Simplify right side
    12,667,420.60x = 120,029,020,684,385.14
  5. Step 5: Solve for x
    x = 120,029,020,684,385.14/12,667,420.60
  6. Step 6: Final answer
    x = 9,475,411.33

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1.5x scale

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.