Home / 12,078,612-16,668,484.56-6,646,104

Finding the Fourth Proportional to 12,078,612, 16,668,484.56 and 6,646,104

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Solution

The fourth proportional to 12,078,612, 16,668,484.56 and 6,646,104 is: 9,171,623.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,078,612 : 16,668,484.56 = 6,646,104 : x
  2. Step 2: Convert to fraction form
    12,078,612/16,668,484.56 = 6,646,104/x
  3. Step 3: Cross multiply
    12,078,612x = 16,668,484.56 × 6,646,104
  4. Step 4: Simplify right side
    12,078,612x = 110,780,481,908,154.25
  5. Step 5: Solve for x
    x = 110,780,481,908,154.25/12,078,612
  6. Step 6: Final answer
    x = 9,171,623.52

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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.