Home / 12,068,412.74-18,082,710.72-6,955,137.48

Finding the Fourth Proportional to 12,068,412.74, 18,082,710.72 and 6,955,137.48

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Solution

The fourth proportional to 12,068,412.74, 18,082,710.72 and 6,955,137.48 is: 10,421,232.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,068,412.74 : 18,082,710.72 = 6,955,137.48 : x
  2. Step 2: Convert to fraction form
    12,068,412.74/18,082,710.72 = 6,955,137.48/x
  3. Step 3: Cross multiply
    12,068,412.74x = 18,082,710.72 × 6,955,137.48
  4. Step 4: Simplify right side
    12,068,412.74x = 125,767,739,068,669.78
  5. Step 5: Solve for x
    x = 125,767,739,068,669.78/12,068,412.74
  6. Step 6: Final answer
    x = 10,421,232.83

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1.5x scale

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.